Home / 22,841.02-31,530.33-13,891.40

Finding the Fourth Proportional to 22,841.02, 31,530.33 and 13,891.40

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Solution

The fourth proportional to 22,841.02, 31,530.33 and 13,891.40 is: 19,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,841.02 : 31,530.33 = 13,891.40 : x
  2. Step 2: Convert to fraction form
    22,841.02/31,530.33 = 13,891.40/x
  3. Step 3: Cross multiply
    22,841.02x = 31,530.33 × 13,891.40
  4. Step 4: Simplify right side
    22,841.02x = 438,000,199.05
  5. Step 5: Solve for x
    x = 438,000,199.05/22,841.02
  6. Step 6: Final answer
    x = 19,176.04

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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.