Home / 27,542.55-38,007.23-15,605.63

Finding the Fourth Proportional to 27,542.55, 38,007.23 and 15,605.63

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Solution

The fourth proportional to 27,542.55, 38,007.23 and 15,605.63 is: 21,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,542.55 : 38,007.23 = 15,605.63 : x
  2. Step 2: Convert to fraction form
    27,542.55/38,007.23 = 15,605.63/x
  3. Step 3: Cross multiply
    27,542.55x = 38,007.23 × 15,605.63
  4. Step 4: Simplify right side
    27,542.55x = 593,126,768.70
  5. Step 5: Solve for x
    x = 593,126,768.70/27,542.55
  6. Step 6: Final answer
    x = 21,534.93

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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.