Home / 27,306.80-40,928.23-10,428.75

Finding the Fourth Proportional to 27,306.80, 40,928.23 and 10,428.75

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Solution

The fourth proportional to 27,306.80, 40,928.23 and 10,428.75 is: 15,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,306.80 : 40,928.23 = 10,428.75 : x
  2. Step 2: Convert to fraction form
    27,306.80/40,928.23 = 10,428.75/x
  3. Step 3: Cross multiply
    27,306.80x = 40,928.23 × 10,428.75
  4. Step 4: Simplify right side
    27,306.80x = 426,830,278.61
  5. Step 5: Solve for x
    x = 426,830,278.61/27,306.80
  6. Step 6: Final answer
    x = 15,630.92

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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.