Home / 27,233.80-40,851.90-15,387.40

Finding the Fourth Proportional to 27,233.80, 40,851.90 and 15,387.40

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Solution

The fourth proportional to 27,233.80, 40,851.90 and 15,387.40 is: 23,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,233.80 : 40,851.90 = 15,387.40 : x
  2. Step 2: Convert to fraction form
    27,233.80/40,851.90 = 15,387.40/x
  3. Step 3: Cross multiply
    27,233.80x = 40,851.90 × 15,387.40
  4. Step 4: Simplify right side
    27,233.80x = 628,604,526.06
  5. Step 5: Solve for x
    x = 628,604,526.06/27,233.80
  6. Step 6: Final answer
    x = 23,081.78

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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.