Home / 28,247.57-38,981.82-16,310.87

Finding the Fourth Proportional to 28,247.57, 38,981.82 and 16,310.87

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Solution

The fourth proportional to 28,247.57, 38,981.82 and 16,310.87 is: 22,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.57 : 38,981.82 = 16,310.87 : x
  2. Step 2: Convert to fraction form
    28,247.57/38,981.82 = 16,310.87/x
  3. Step 3: Cross multiply
    28,247.57x = 38,981.82 × 16,310.87
  4. Step 4: Simplify right side
    28,247.57x = 635,827,203.47
  5. Step 5: Solve for x
    x = 635,827,203.47/28,247.57
  6. Step 6: Final answer
    x = 22,509.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.