Home / 26,709.04-36,861.68-15,531.04

Finding the Fourth Proportional to 26,709.04, 36,861.68 and 15,531.04

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Solution

The fourth proportional to 26,709.04, 36,861.68 and 15,531.04 is: 21,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,709.04 : 36,861.68 = 15,531.04 : x
  2. Step 2: Convert to fraction form
    26,709.04/36,861.68 = 15,531.04/x
  3. Step 3: Cross multiply
    26,709.04x = 36,861.68 × 15,531.04
  4. Step 4: Simplify right side
    26,709.04x = 572,500,226.55
  5. Step 5: Solve for x
    x = 572,500,226.55/26,709.04
  6. Step 6: Final answer
    x = 21,434.70

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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.