Home / 27,720.46-38,294.71-23,987.98

Finding the Fourth Proportional to 27,720.46, 38,294.71 and 23,987.98

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Solution

The fourth proportional to 27,720.46, 38,294.71 and 23,987.98 is: 33,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.46 : 38,294.71 = 23,987.98 : x
  2. Step 2: Convert to fraction form
    27,720.46/38,294.71 = 23,987.98/x
  3. Step 3: Cross multiply
    27,720.46x = 38,294.71 × 23,987.98
  4. Step 4: Simplify right side
    27,720.46x = 918,612,737.59
  5. Step 5: Solve for x
    x = 918,612,737.59/27,720.46
  6. Step 6: Final answer
    x = 33,138.44

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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.