Home / 28,199.25-42,319.22-22,718.79

Finding the Fourth Proportional to 28,199.25, 42,319.22 and 22,718.79

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Solution

The fourth proportional to 28,199.25, 42,319.22 and 22,718.79 is: 34,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.25 : 42,319.22 = 22,718.79 : x
  2. Step 2: Convert to fraction form
    28,199.25/42,319.22 = 22,718.79/x
  3. Step 3: Cross multiply
    28,199.25x = 42,319.22 × 22,718.79
  4. Step 4: Simplify right side
    28,199.25x = 961,441,358.55
  5. Step 5: Solve for x
    x = 961,441,358.55/28,199.25
  6. Step 6: Final answer
    x = 34,094.57

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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.