Home / 28,449.52-39,263.04-16,351.76

Finding the Fourth Proportional to 28,449.52, 39,263.04 and 16,351.76

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Solution

The fourth proportional to 28,449.52, 39,263.04 and 16,351.76 is: 22,566.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.52 : 39,263.04 = 16,351.76 : x
  2. Step 2: Convert to fraction form
    28,449.52/39,263.04 = 16,351.76/x
  3. Step 3: Cross multiply
    28,449.52x = 39,263.04 × 16,351.76
  4. Step 4: Simplify right side
    28,449.52x = 642,019,806.95
  5. Step 5: Solve for x
    x = 642,019,806.95/28,449.52
  6. Step 6: Final answer
    x = 22,566.98

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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.