Home / 23,631.44-32,612.13-13,561.72

Finding the Fourth Proportional to 23,631.44, 32,612.13 and 13,561.72

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Solution

The fourth proportional to 23,631.44, 32,612.13 and 13,561.72 is: 18,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,631.44 : 32,612.13 = 13,561.72 : x
  2. Step 2: Convert to fraction form
    23,631.44/32,612.13 = 13,561.72/x
  3. Step 3: Cross multiply
    23,631.44x = 32,612.13 × 13,561.72
  4. Step 4: Simplify right side
    23,631.44x = 442,276,494.13
  5. Step 5: Solve for x
    x = 442,276,494.13/23,631.44
  6. Step 6: Final answer
    x = 18,715.60

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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.