Home / 22,089.92-30,486.24-16,491.20

Finding the Fourth Proportional to 22,089.92, 30,486.24 and 16,491.20

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Solution

The fourth proportional to 22,089.92, 30,486.24 and 16,491.20 is: 22,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,089.92 : 30,486.24 = 16,491.20 : x
  2. Step 2: Convert to fraction form
    22,089.92/30,486.24 = 16,491.20/x
  3. Step 3: Cross multiply
    22,089.92x = 30,486.24 × 16,491.20
  4. Step 4: Simplify right side
    22,089.92x = 502,754,681.09
  5. Step 5: Solve for x
    x = 502,754,681.09/22,089.92
  6. Step 6: Final answer
    x = 22,759.46

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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.