Home / 26,826.57-40,224.05-10,187.78

Finding the Fourth Proportional to 26,826.57, 40,224.05 and 10,187.78

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Solution

The fourth proportional to 26,826.57, 40,224.05 and 10,187.78 is: 15,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,826.57 : 40,224.05 = 10,187.78 : x
  2. Step 2: Convert to fraction form
    26,826.57/40,224.05 = 10,187.78/x
  3. Step 3: Cross multiply
    26,826.57x = 40,224.05 × 10,187.78
  4. Step 4: Simplify right side
    26,826.57x = 409,793,697.02
  5. Step 5: Solve for x
    x = 409,793,697.02/26,826.57
  6. Step 6: Final answer
    x = 15,275.66

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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.