Home / 25,920.60-38,881.08-11,117.04

Finding the Fourth Proportional to 25,920.60, 38,881.08 and 11,117.04

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Solution

The fourth proportional to 25,920.60, 38,881.08 and 11,117.04 is: 16,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920.60 : 38,881.08 = 11,117.04 : x
  2. Step 2: Convert to fraction form
    25,920.60/38,881.08 = 11,117.04/x
  3. Step 3: Cross multiply
    25,920.60x = 38,881.08 × 11,117.04
  4. Step 4: Simplify right side
    25,920.60x = 432,242,521.60
  5. Step 5: Solve for x
    x = 432,242,521.60/25,920.60
  6. Step 6: Final answer
    x = 16,675.64

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.