Home / 26,782.50-40,117.24-21,488.85

Finding the Fourth Proportional to 26,782.50, 40,117.24 and 21,488.85

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Solution

The fourth proportional to 26,782.50, 40,117.24 and 21,488.85 is: 32,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.50 : 40,117.24 = 21,488.85 : x
  2. Step 2: Convert to fraction form
    26,782.50/40,117.24 = 21,488.85/x
  3. Step 3: Cross multiply
    26,782.50x = 40,117.24 × 21,488.85
  4. Step 4: Simplify right side
    26,782.50x = 862,073,352.77
  5. Step 5: Solve for x
    x = 862,073,352.77/26,782.50
  6. Step 6: Final answer
    x = 32,187.93

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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.