Home / 27,934.98-38,557.53-18,500.10

Finding the Fourth Proportional to 27,934.98, 38,557.53 and 18,500.10

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Solution

The fourth proportional to 27,934.98, 38,557.53 and 18,500.10 is: 25,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,934.98 : 38,557.53 = 18,500.10 : x
  2. Step 2: Convert to fraction form
    27,934.98/38,557.53 = 18,500.10/x
  3. Step 3: Cross multiply
    27,934.98x = 38,557.53 × 18,500.10
  4. Step 4: Simplify right side
    27,934.98x = 713,318,160.75
  5. Step 5: Solve for x
    x = 713,318,160.75/27,934.98
  6. Step 6: Final answer
    x = 25,534.94

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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.