Home / 22,020.31-33,032.13-10,915.81

Finding the Fourth Proportional to 22,020.31, 33,032.13 and 10,915.81

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Solution

The fourth proportional to 22,020.31, 33,032.13 and 10,915.81 is: 16,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.31 : 33,032.13 = 10,915.81 : x
  2. Step 2: Convert to fraction form
    22,020.31/33,032.13 = 10,915.81/x
  3. Step 3: Cross multiply
    22,020.31x = 33,032.13 × 10,915.81
  4. Step 4: Simplify right side
    22,020.31x = 360,572,454.98
  5. Step 5: Solve for x
    x = 360,572,454.98/22,020.31
  6. Step 6: Final answer
    x = 16,374.54

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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.