Home / 28,947.24-43,407.90-10,223.40

Finding the Fourth Proportional to 28,947.24, 43,407.90 and 10,223.40

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Solution

The fourth proportional to 28,947.24, 43,407.90 and 10,223.40 is: 15,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.24 : 43,407.90 = 10,223.40 : x
  2. Step 2: Convert to fraction form
    28,947.24/43,407.90 = 10,223.40/x
  3. Step 3: Cross multiply
    28,947.24x = 43,407.90 × 10,223.40
  4. Step 4: Simplify right side
    28,947.24x = 443,776,324.86
  5. Step 5: Solve for x
    x = 443,776,324.86/28,947.24
  6. Step 6: Final answer
    x = 15,330.52

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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.