Home / 22,490.64-33,665.22-15,429.36

Finding the Fourth Proportional to 22,490.64, 33,665.22 and 15,429.36

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Solution

The fourth proportional to 22,490.64, 33,665.22 and 15,429.36 is: 23,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.64 : 33,665.22 = 15,429.36 : x
  2. Step 2: Convert to fraction form
    22,490.64/33,665.22 = 15,429.36/x
  3. Step 3: Cross multiply
    22,490.64x = 33,665.22 × 15,429.36
  4. Step 4: Simplify right side
    22,490.64x = 519,432,721.71
  5. Step 5: Solve for x
    x = 519,432,721.71/22,490.64
  6. Step 6: Final answer
    x = 23,095.51

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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.