Home / 39,428.65-54,397.56-25,289.29

Finding the Fourth Proportional to 39,428.65, 54,397.56 and 25,289.29

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Solution

The fourth proportional to 39,428.65, 54,397.56 and 25,289.29 is: 34,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428.65 : 54,397.56 = 25,289.29 : x
  2. Step 2: Convert to fraction form
    39,428.65/54,397.56 = 25,289.29/x
  3. Step 3: Cross multiply
    39,428.65x = 54,397.56 × 25,289.29
  4. Step 4: Simplify right side
    39,428.65x = 1,375,675,670.13
  5. Step 5: Solve for x
    x = 1,375,675,670.13/39,428.65
  6. Step 6: Final answer
    x = 34,890.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.