Home / 42,983.80-64,436.82-15,275.32

Finding the Fourth Proportional to 42,983.80, 64,436.82 and 15,275.32

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Solution

The fourth proportional to 42,983.80, 64,436.82 and 15,275.32 is: 22,899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,983.80 : 64,436.82 = 15,275.32 : x
  2. Step 2: Convert to fraction form
    42,983.80/64,436.82 = 15,275.32/x
  3. Step 3: Cross multiply
    42,983.80x = 64,436.82 × 15,275.32
  4. Step 4: Simplify right side
    42,983.80x = 984,293,045.28
  5. Step 5: Solve for x
    x = 984,293,045.28/42,983.80
  6. Step 6: Final answer
    x = 22,899.16

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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.