Home / 28,031.68-42,059.94-14,880.88

Finding the Fourth Proportional to 28,031.68, 42,059.94 and 14,880.88

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Solution

The fourth proportional to 28,031.68, 42,059.94 and 14,880.88 is: 22,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031.68 : 42,059.94 = 14,880.88 : x
  2. Step 2: Convert to fraction form
    28,031.68/42,059.94 = 14,880.88/x
  3. Step 3: Cross multiply
    28,031.68x = 42,059.94 × 14,880.88
  4. Step 4: Simplify right side
    28,031.68x = 625,888,919.95
  5. Step 5: Solve for x
    x = 625,888,919.95/28,031.68
  6. Step 6: Final answer
    x = 22,327.91

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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.