Home / 28,470.79-39,283.68-16,527.95

Finding the Fourth Proportional to 28,470.79, 39,283.68 and 16,527.95

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Solution

The fourth proportional to 28,470.79, 39,283.68 and 16,527.95 is: 22,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,470.79 : 39,283.68 = 16,527.95 : x
  2. Step 2: Convert to fraction form
    28,470.79/39,283.68 = 16,527.95/x
  3. Step 3: Cross multiply
    28,470.79x = 39,283.68 × 16,527.95
  4. Step 4: Simplify right side
    28,470.79x = 649,278,711.73
  5. Step 5: Solve for x
    x = 649,278,711.73/28,470.79
  6. Step 6: Final answer
    x = 22,805.08

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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.