Home / 27,938.66-38,554.58-15,363.41

Finding the Fourth Proportional to 27,938.66, 38,554.58 and 15,363.41

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Solution

The fourth proportional to 27,938.66, 38,554.58 and 15,363.41 is: 21,201.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.66 : 38,554.58 = 15,363.41 : x
  2. Step 2: Convert to fraction form
    27,938.66/38,554.58 = 15,363.41/x
  3. Step 3: Cross multiply
    27,938.66x = 38,554.58 × 15,363.41
  4. Step 4: Simplify right side
    27,938.66x = 592,329,665.55
  5. Step 5: Solve for x
    x = 592,329,665.55/27,938.66
  6. Step 6: Final answer
    x = 21,201.08

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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.