Home / 43,920.24-65,875.92-18,959.28

Finding the Fourth Proportional to 43,920.24, 65,875.92 and 18,959.28

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Solution

The fourth proportional to 43,920.24, 65,875.92 and 18,959.28 is: 28,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,920.24 : 65,875.92 = 18,959.28 : x
  2. Step 2: Convert to fraction form
    43,920.24/65,875.92 = 18,959.28/x
  3. Step 3: Cross multiply
    43,920.24x = 65,875.92 × 18,959.28
  4. Step 4: Simplify right side
    43,920.24x = 1,248,960,012.54
  5. Step 5: Solve for x
    x = 1,248,960,012.54/43,920.24
  6. Step 6: Final answer
    x = 28,437.00

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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.