Home / 28,062.72-42,080.88-14,911.68

Finding the Fourth Proportional to 28,062.72, 42,080.88 and 14,911.68

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Solution

The fourth proportional to 28,062.72, 42,080.88 and 14,911.68 is: 22,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.72 : 42,080.88 = 14,911.68 : x
  2. Step 2: Convert to fraction form
    28,062.72/42,080.88 = 14,911.68/x
  3. Step 3: Cross multiply
    28,062.72x = 42,080.88 × 14,911.68
  4. Step 4: Simplify right side
    28,062.72x = 627,496,616.68
  5. Step 5: Solve for x
    x = 627,496,616.68/28,062.72
  6. Step 6: Final answer
    x = 22,360.51

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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.