Home / 31,928.29-47,892.34-14,377.57

Finding the Fourth Proportional to 31,928.29, 47,892.34 and 14,377.57

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Solution

The fourth proportional to 31,928.29, 47,892.34 and 14,377.57 is: 21,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,928.29 : 47,892.34 = 14,377.57 : x
  2. Step 2: Convert to fraction form
    31,928.29/47,892.34 = 14,377.57/x
  3. Step 3: Cross multiply
    31,928.29x = 47,892.34 × 14,377.57
  4. Step 4: Simplify right side
    31,928.29x = 688,575,470.81
  5. Step 5: Solve for x
    x = 688,575,470.81/31,928.29
  6. Step 6: Final answer
    x = 21,566.31

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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.