Home / 27,520.23-37,977.15-15,584.70

Finding the Fourth Proportional to 27,520.23, 37,977.15 and 15,584.70

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Solution

The fourth proportional to 27,520.23, 37,977.15 and 15,584.70 is: 21,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,520.23 : 37,977.15 = 15,584.70 : x
  2. Step 2: Convert to fraction form
    27,520.23/37,977.15 = 15,584.70/x
  3. Step 3: Cross multiply
    27,520.23x = 37,977.15 × 15,584.70
  4. Step 4: Simplify right side
    27,520.23x = 591,862,489.61
  5. Step 5: Solve for x
    x = 591,862,489.61/27,520.23
  6. Step 6: Final answer
    x = 21,506.45

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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.