Home / 22,775.09-31,429.65-12,565.88

Finding the Fourth Proportional to 22,775.09, 31,429.65 and 12,565.88

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Solution

The fourth proportional to 22,775.09, 31,429.65 and 12,565.88 is: 17,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,775.09 : 31,429.65 = 12,565.88 : x
  2. Step 2: Convert to fraction form
    22,775.09/31,429.65 = 12,565.88/x
  3. Step 3: Cross multiply
    22,775.09x = 31,429.65 × 12,565.88
  4. Step 4: Simplify right side
    22,775.09x = 394,941,218.18
  5. Step 5: Solve for x
    x = 394,941,218.18/22,775.09
  6. Step 6: Final answer
    x = 17,340.93

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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.