Home / 22,990.62-31,729.98-14,036.20

Finding the Fourth Proportional to 22,990.62, 31,729.98 and 14,036.20

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Solution

The fourth proportional to 22,990.62, 31,729.98 and 14,036.20 is: 19,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.62 : 31,729.98 = 14,036.20 : x
  2. Step 2: Convert to fraction form
    22,990.62/31,729.98 = 14,036.20/x
  3. Step 3: Cross multiply
    22,990.62x = 31,729.98 × 14,036.20
  4. Step 4: Simplify right side
    22,990.62x = 445,368,345.28
  5. Step 5: Solve for x
    x = 445,368,345.28/22,990.62
  6. Step 6: Final answer
    x = 19,371.74

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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.