Home / 26,551.55-36,636.92-15,218.87

Finding the Fourth Proportional to 26,551.55, 36,636.92 and 15,218.87

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Solution

The fourth proportional to 26,551.55, 36,636.92 and 15,218.87 is: 20,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,551.55 : 36,636.92 = 15,218.87 : x
  2. Step 2: Convert to fraction form
    26,551.55/36,636.92 = 15,218.87/x
  3. Step 3: Cross multiply
    26,551.55x = 36,636.92 × 15,218.87
  4. Step 4: Simplify right side
    26,551.55x = 557,572,263.40
  5. Step 5: Solve for x
    x = 557,572,263.40/26,551.55
  6. Step 6: Final answer
    x = 20,999.62

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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.