Home / 28,934.92-43,390.50-9,208.18

Finding the Fourth Proportional to 28,934.92, 43,390.50 and 9,208.18

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Solution

The fourth proportional to 28,934.92, 43,390.50 and 9,208.18 is: 13,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.92 : 43,390.50 = 9,208.18 : x
  2. Step 2: Convert to fraction form
    28,934.92/43,390.50 = 9,208.18/x
  3. Step 3: Cross multiply
    28,934.92x = 43,390.50 × 9,208.18
  4. Step 4: Simplify right side
    28,934.92x = 399,547,534.29
  5. Step 5: Solve for x
    x = 399,547,534.29/28,934.92
  6. Step 6: Final answer
    x = 13,808.49

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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.