Home / 19,164.40-28,746.60-18,095.20

Finding the Fourth Proportional to 19,164.40, 28,746.60 and 18,095.20

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Solution

The fourth proportional to 19,164.40, 28,746.60 and 18,095.20 is: 27,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.40 : 28,746.60 = 18,095.20 : x
  2. Step 2: Convert to fraction form
    19,164.40/28,746.60 = 18,095.20/x
  3. Step 3: Cross multiply
    19,164.40x = 28,746.60 × 18,095.20
  4. Step 4: Simplify right side
    19,164.40x = 520,175,476.32
  5. Step 5: Solve for x
    x = 520,175,476.32/19,164.40
  6. Step 6: Final answer
    x = 27,142.80

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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.