Home / 28,244.92-42,341.46-12,654.04

Finding the Fourth Proportional to 28,244.92, 42,341.46 and 12,654.04

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Solution

The fourth proportional to 28,244.92, 42,341.46 and 12,654.04 is: 18,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.92 : 42,341.46 = 12,654.04 : x
  2. Step 2: Convert to fraction form
    28,244.92/42,341.46 = 12,654.04/x
  3. Step 3: Cross multiply
    28,244.92x = 42,341.46 × 12,654.04
  4. Step 4: Simplify right side
    28,244.92x = 535,790,528.50
  5. Step 5: Solve for x
    x = 535,790,528.50/28,244.92
  6. Step 6: Final answer
    x = 18,969.45

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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.