Home / 31,715.28-47,572.38-9,528.84

Finding the Fourth Proportional to 31,715.28, 47,572.38 and 9,528.84

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Solution

The fourth proportional to 31,715.28, 47,572.38 and 9,528.84 is: 14,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.28 : 47,572.38 = 9,528.84 : x
  2. Step 2: Convert to fraction form
    31,715.28/47,572.38 = 9,528.84/x
  3. Step 3: Cross multiply
    31,715.28x = 47,572.38 × 9,528.84
  4. Step 4: Simplify right side
    31,715.28x = 453,309,597.44
  5. Step 5: Solve for x
    x = 453,309,597.44/31,715.28
  6. Step 6: Final answer
    x = 14,293.10

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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.