Home / 28,222.97-42,336.54-9,502.92

Finding the Fourth Proportional to 28,222.97, 42,336.54 and 9,502.92

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Solution

The fourth proportional to 28,222.97, 42,336.54 and 9,502.92 is: 14,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222.97 : 42,336.54 = 9,502.92 : x
  2. Step 2: Convert to fraction form
    28,222.97/42,336.54 = 9,502.92/x
  3. Step 3: Cross multiply
    28,222.97x = 42,336.54 × 9,502.92
  4. Step 4: Simplify right side
    28,222.97x = 402,320,752.70
  5. Step 5: Solve for x
    x = 402,320,752.70/28,222.97
  6. Step 6: Final answer
    x = 14,255.08

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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.