Home / 25,526.39-38,301.20-11,478.71

Finding the Fourth Proportional to 25,526.39, 38,301.20 and 11,478.71

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Solution

The fourth proportional to 25,526.39, 38,301.20 and 11,478.71 is: 17,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,526.39 : 38,301.20 = 11,478.71 : x
  2. Step 2: Convert to fraction form
    25,526.39/38,301.20 = 11,478.71/x
  3. Step 3: Cross multiply
    25,526.39x = 38,301.20 × 11,478.71
  4. Step 4: Simplify right side
    25,526.39x = 439,648,513.42
  5. Step 5: Solve for x
    x = 439,648,513.42/25,526.39
  6. Step 6: Final answer
    x = 17,223.29

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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.