Home / 38,021.34-57,032.10-22,428

Finding the Fourth Proportional to 38,021.34, 57,032.10 and 22,428

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Solution

The fourth proportional to 38,021.34, 57,032.10 and 22,428 is: 33,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.34 : 57,032.10 = 22,428 : x
  2. Step 2: Convert to fraction form
    38,021.34/57,032.10 = 22,428/x
  3. Step 3: Cross multiply
    38,021.34x = 57,032.10 × 22,428
  4. Step 4: Simplify right side
    38,021.34x = 1,279,115,938.80
  5. Step 5: Solve for x
    x = 1,279,115,938.80/38,021.34
  6. Step 6: Final answer
    x = 33,642.05

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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.