Home / 27,938.88-38,554.56-15,363.52

Finding the Fourth Proportional to 27,938.88, 38,554.56 and 15,363.52

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Solution

The fourth proportional to 27,938.88, 38,554.56 and 15,363.52 is: 21,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.88 : 38,554.56 = 15,363.52 : x
  2. Step 2: Convert to fraction form
    27,938.88/38,554.56 = 15,363.52/x
  3. Step 3: Cross multiply
    27,938.88x = 38,554.56 × 15,363.52
  4. Step 4: Simplify right side
    27,938.88x = 592,333,753.65
  5. Step 5: Solve for x
    x = 592,333,753.65/27,938.88
  6. Step 6: Final answer
    x = 21,201.06

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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.