Home / 26,569.80-39,842.04-15,479.70

Finding the Fourth Proportional to 26,569.80, 39,842.04 and 15,479.70

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Solution

The fourth proportional to 26,569.80, 39,842.04 and 15,479.70 is: 23,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,569.80 : 39,842.04 = 15,479.70 : x
  2. Step 2: Convert to fraction form
    26,569.80/39,842.04 = 15,479.70/x
  3. Step 3: Cross multiply
    26,569.80x = 39,842.04 × 15,479.70
  4. Step 4: Simplify right side
    26,569.80x = 616,742,826.59
  5. Step 5: Solve for x
    x = 616,742,826.59/26,569.80
  6. Step 6: Final answer
    x = 23,212.17

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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.