Home / 15,589.76-23,270.92-13,621.44

Finding the Fourth Proportional to 15,589.76, 23,270.92 and 13,621.44

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Solution

The fourth proportional to 15,589.76, 23,270.92 and 13,621.44 is: 20,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589.76 : 23,270.92 = 13,621.44 : x
  2. Step 2: Convert to fraction form
    15,589.76/23,270.92 = 13,621.44/x
  3. Step 3: Cross multiply
    15,589.76x = 23,270.92 × 13,621.44
  4. Step 4: Simplify right side
    15,589.76x = 316,983,440.52
  5. Step 5: Solve for x
    x = 316,983,440.52/15,589.76
  6. Step 6: Final answer
    x = 20,332.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.