Home / 26,854.20-40,281.30-15,190.20

Finding the Fourth Proportional to 26,854.20, 40,281.30 and 15,190.20

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Solution

The fourth proportional to 26,854.20, 40,281.30 and 15,190.20 is: 22,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,854.20 : 40,281.30 = 15,190.20 : x
  2. Step 2: Convert to fraction form
    26,854.20/40,281.30 = 15,190.20/x
  3. Step 3: Cross multiply
    26,854.20x = 40,281.30 × 15,190.20
  4. Step 4: Simplify right side
    26,854.20x = 611,881,003.26
  5. Step 5: Solve for x
    x = 611,881,003.26/26,854.20
  6. Step 6: Final answer
    x = 22,785.30

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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.