Home / 22,731.30-34,117.20-13,359.60

Finding the Fourth Proportional to 22,731.30, 34,117.20 and 13,359.60

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Solution

The fourth proportional to 22,731.30, 34,117.20 and 13,359.60 is: 20,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,731.30 : 34,117.20 = 13,359.60 : x
  2. Step 2: Convert to fraction form
    22,731.30/34,117.20 = 13,359.60/x
  3. Step 3: Cross multiply
    22,731.30x = 34,117.20 × 13,359.60
  4. Step 4: Simplify right side
    22,731.30x = 455,792,145.12
  5. Step 5: Solve for x
    x = 455,792,145.12/22,731.30
  6. Step 6: Final answer
    x = 20,051.30

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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.