Home / 25,920.60-38,885.01-9,276.04

Finding the Fourth Proportional to 25,920.60, 38,885.01 and 9,276.04

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Solution

The fourth proportional to 25,920.60, 38,885.01 and 9,276.04 is: 13,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920.60 : 38,885.01 = 9,276.04 : x
  2. Step 2: Convert to fraction form
    25,920.60/38,885.01 = 9,276.04/x
  3. Step 3: Cross multiply
    25,920.60x = 38,885.01 × 9,276.04
  4. Step 4: Simplify right side
    25,920.60x = 360,698,908.16
  5. Step 5: Solve for x
    x = 360,698,908.16/25,920.60
  6. Step 6: Final answer
    x = 13,915.53

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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.