Home / 28,062.36-42,100.86-9,345.24

Finding the Fourth Proportional to 28,062.36, 42,100.86 and 9,345.24

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Solution

The fourth proportional to 28,062.36, 42,100.86 and 9,345.24 is: 14,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.36 : 42,100.86 = 9,345.24 : x
  2. Step 2: Convert to fraction form
    28,062.36/42,100.86 = 9,345.24/x
  3. Step 3: Cross multiply
    28,062.36x = 42,100.86 × 9,345.24
  4. Step 4: Simplify right side
    28,062.36x = 393,442,640.91
  5. Step 5: Solve for x
    x = 393,442,640.91/28,062.36
  6. Step 6: Final answer
    x = 14,020.30

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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.