Home / 15,557.85-23,302.74-15,215.43

Finding the Fourth Proportional to 15,557.85, 23,302.74 and 15,215.43

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Solution

The fourth proportional to 15,557.85, 23,302.74 and 15,215.43 is: 22,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.85 : 23,302.74 = 15,215.43 : x
  2. Step 2: Convert to fraction form
    15,557.85/23,302.74 = 15,215.43/x
  3. Step 3: Cross multiply
    15,557.85x = 23,302.74 × 15,215.43
  4. Step 4: Simplify right side
    15,557.85x = 354,561,209.28
  5. Step 5: Solve for x
    x = 354,561,209.28/15,557.85
  6. Step 6: Final answer
    x = 22,789.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.