Home / 28,340.16-42,501.52-9,361.38

Finding the Fourth Proportional to 28,340.16, 42,501.52 and 9,361.38

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Solution

The fourth proportional to 28,340.16, 42,501.52 and 9,361.38 is: 14,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.16 : 42,501.52 = 9,361.38 : x
  2. Step 2: Convert to fraction form
    28,340.16/42,501.52 = 9,361.38/x
  3. Step 3: Cross multiply
    28,340.16x = 42,501.52 × 9,361.38
  4. Step 4: Simplify right side
    28,340.16x = 397,872,884.77
  5. Step 5: Solve for x
    x = 397,872,884.77/28,340.16
  6. Step 6: Final answer
    x = 14,039.19

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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.