Home / 26,025.28-39,037.92-12,864.40

Finding the Fourth Proportional to 26,025.28, 39,037.92 and 12,864.40

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Solution

The fourth proportional to 26,025.28, 39,037.92 and 12,864.40 is: 19,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,025.28 : 39,037.92 = 12,864.40 : x
  2. Step 2: Convert to fraction form
    26,025.28/39,037.92 = 12,864.40/x
  3. Step 3: Cross multiply
    26,025.28x = 39,037.92 × 12,864.40
  4. Step 4: Simplify right side
    26,025.28x = 502,199,272.21
  5. Step 5: Solve for x
    x = 502,199,272.21/26,025.28
  6. Step 6: Final answer
    x = 19,296.60

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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.