Home / 28,875.13-43,314.25-9,155.23

Finding the Fourth Proportional to 28,875.13, 43,314.25 and 9,155.23

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Solution

The fourth proportional to 28,875.13, 43,314.25 and 9,155.23 is: 13,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.13 : 43,314.25 = 9,155.23 : x
  2. Step 2: Convert to fraction form
    28,875.13/43,314.25 = 9,155.23/x
  3. Step 3: Cross multiply
    28,875.13x = 43,314.25 × 9,155.23
  4. Step 4: Simplify right side
    28,875.13x = 396,551,921.03
  5. Step 5: Solve for x
    x = 396,551,921.03/28,875.13
  6. Step 6: Final answer
    x = 13,733.34

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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.