Home / 26,945.20-40,417.80-15,281.20

Finding the Fourth Proportional to 26,945.20, 40,417.80 and 15,281.20

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Solution

The fourth proportional to 26,945.20, 40,417.80 and 15,281.20 is: 22,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.20 : 40,417.80 = 15,281.20 : x
  2. Step 2: Convert to fraction form
    26,945.20/40,417.80 = 15,281.20/x
  3. Step 3: Cross multiply
    26,945.20x = 40,417.80 × 15,281.20
  4. Step 4: Simplify right side
    26,945.20x = 617,632,485.36
  5. Step 5: Solve for x
    x = 617,632,485.36/26,945.20
  6. Step 6: Final answer
    x = 22,921.80

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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.