Home / 28,149.12-38,759.04-24,999.84

Finding the Fourth Proportional to 28,149.12, 38,759.04 and 24,999.84

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Solution

The fourth proportional to 28,149.12, 38,759.04 and 24,999.84 is: 34,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.12 : 38,759.04 = 24,999.84 : x
  2. Step 2: Convert to fraction form
    28,149.12/38,759.04 = 24,999.84/x
  3. Step 3: Cross multiply
    28,149.12x = 38,759.04 × 24,999.84
  4. Step 4: Simplify right side
    28,149.12x = 968,969,798.55
  5. Step 5: Solve for x
    x = 968,969,798.55/28,149.12
  6. Step 6: Final answer
    x = 34,422.74

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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.