Home / 31,526.40-47,265.60-15,955.20

Finding the Fourth Proportional to 31,526.40, 47,265.60 and 15,955.20

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Solution

The fourth proportional to 31,526.40, 47,265.60 and 15,955.20 is: 23,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.40 : 47,265.60 = 15,955.20 : x
  2. Step 2: Convert to fraction form
    31,526.40/47,265.60 = 15,955.20/x
  3. Step 3: Cross multiply
    31,526.40x = 47,265.60 × 15,955.20
  4. Step 4: Simplify right side
    31,526.40x = 754,132,101.12
  5. Step 5: Solve for x
    x = 754,132,101.12/31,526.40
  6. Step 6: Final answer
    x = 23,920.65

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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.