Home / 52,866.12-79,299.96-15,426.36

Finding the Fourth Proportional to 52,866.12, 79,299.96 and 15,426.36

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Solution

The fourth proportional to 52,866.12, 79,299.96 and 15,426.36 is: 23,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,866.12 : 79,299.96 = 15,426.36 : x
  2. Step 2: Convert to fraction form
    52,866.12/79,299.96 = 15,426.36/x
  3. Step 3: Cross multiply
    52,866.12x = 79,299.96 × 15,426.36
  4. Step 4: Simplify right side
    52,866.12x = 1,223,309,730.95
  5. Step 5: Solve for x
    x = 1,223,309,730.95/52,866.12
  6. Step 6: Final answer
    x = 23,139.77

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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.