Home / 28,154.98-42,223.92-14,820.76

Finding the Fourth Proportional to 28,154.98, 42,223.92 and 14,820.76

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Solution

The fourth proportional to 28,154.98, 42,223.92 and 14,820.76 is: 22,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.98 : 42,223.92 = 14,820.76 : x
  2. Step 2: Convert to fraction form
    28,154.98/42,223.92 = 14,820.76/x
  3. Step 3: Cross multiply
    28,154.98x = 42,223.92 × 14,820.76
  4. Step 4: Simplify right side
    28,154.98x = 625,790,584.58
  5. Step 5: Solve for x
    x = 625,790,584.58/28,154.98
  6. Step 6: Final answer
    x = 22,226.64

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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.