Home / 31,502.48-47,283-15,931.28

Finding the Fourth Proportional to 31,502.48, 47,283 and 15,931.28

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Solution

The fourth proportional to 31,502.48, 47,283 and 15,931.28 is: 23,911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502.48 : 47,283 = 15,931.28 : x
  2. Step 2: Convert to fraction form
    31,502.48/47,283 = 15,931.28/x
  3. Step 3: Cross multiply
    31,502.48x = 47,283 × 15,931.28
  4. Step 4: Simplify right side
    31,502.48x = 753,278,712.24
  5. Step 5: Solve for x
    x = 753,278,712.24/31,502.48
  6. Step 6: Final answer
    x = 23,911.73

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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.