Home / 28,143.55-42,159.85-22,884.50

Finding the Fourth Proportional to 28,143.55, 42,159.85 and 22,884.50

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Solution

The fourth proportional to 28,143.55, 42,159.85 and 22,884.50 is: 34,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,143.55 : 42,159.85 = 22,884.50 : x
  2. Step 2: Convert to fraction form
    28,143.55/42,159.85 = 22,884.50/x
  3. Step 3: Cross multiply
    28,143.55x = 42,159.85 × 22,884.50
  4. Step 4: Simplify right side
    28,143.55x = 964,807,006.02
  5. Step 5: Solve for x
    x = 964,807,006.02/28,143.55
  6. Step 6: Final answer
    x = 34,281.64

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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.