Home / 26,311.47-36,309.69-15,560.19

Finding the Fourth Proportional to 26,311.47, 36,309.69 and 15,560.19

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Solution

The fourth proportional to 26,311.47, 36,309.69 and 15,560.19 is: 21,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.47 : 36,309.69 = 15,560.19 : x
  2. Step 2: Convert to fraction form
    26,311.47/36,309.69 = 15,560.19/x
  3. Step 3: Cross multiply
    26,311.47x = 36,309.69 × 15,560.19
  4. Step 4: Simplify right side
    26,311.47x = 564,985,675.24
  5. Step 5: Solve for x
    x = 564,985,675.24/26,311.47
  6. Step 6: Final answer
    x = 21,472.98

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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.