Home / 26,713.20-36,863.12-14,775.60

Finding the Fourth Proportional to 26,713.20, 36,863.12 and 14,775.60

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Solution

The fourth proportional to 26,713.20, 36,863.12 and 14,775.60 is: 20,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,713.20 : 36,863.12 = 14,775.60 : x
  2. Step 2: Convert to fraction form
    26,713.20/36,863.12 = 14,775.60/x
  3. Step 3: Cross multiply
    26,713.20x = 36,863.12 × 14,775.60
  4. Step 4: Simplify right side
    26,713.20x = 544,674,715.87
  5. Step 5: Solve for x
    x = 544,674,715.87/26,713.20
  6. Step 6: Final answer
    x = 20,389.72

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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.