Home / 29,295.20-40,427.48-15,866.42

Finding the Fourth Proportional to 29,295.20, 40,427.48 and 15,866.42

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Solution

The fourth proportional to 29,295.20, 40,427.48 and 15,866.42 is: 21,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,295.20 : 40,427.48 = 15,866.42 : x
  2. Step 2: Convert to fraction form
    29,295.20/40,427.48 = 15,866.42/x
  3. Step 3: Cross multiply
    29,295.20x = 40,427.48 × 15,866.42
  4. Step 4: Simplify right side
    29,295.20x = 641,439,377.22
  5. Step 5: Solve for x
    x = 641,439,377.22/29,295.20
  6. Step 6: Final answer
    x = 21,895.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.