Home / 28,079.95-42,127.93-9,372.24

Finding the Fourth Proportional to 28,079.95, 42,127.93 and 9,372.24

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Solution

The fourth proportional to 28,079.95, 42,127.93 and 9,372.24 is: 14,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.95 : 42,127.93 = 9,372.24 : x
  2. Step 2: Convert to fraction form
    28,079.95/42,127.93 = 9,372.24/x
  3. Step 3: Cross multiply
    28,079.95x = 42,127.93 × 9,372.24
  4. Step 4: Simplify right side
    28,079.95x = 394,833,070.66
  5. Step 5: Solve for x
    x = 394,833,070.66/28,079.95
  6. Step 6: Final answer
    x = 14,061.03

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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.