Home / 26,543.29-39,812.28-9,012.85

Finding the Fourth Proportional to 26,543.29, 39,812.28 and 9,012.85

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Solution

The fourth proportional to 26,543.29, 39,812.28 and 9,012.85 is: 13,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.29 : 39,812.28 = 9,012.85 : x
  2. Step 2: Convert to fraction form
    26,543.29/39,812.28 = 9,012.85/x
  3. Step 3: Cross multiply
    26,543.29x = 39,812.28 × 9,012.85
  4. Step 4: Simplify right side
    26,543.29x = 358,822,107.80
  5. Step 5: Solve for x
    x = 358,822,107.80/26,543.29
  6. Step 6: Final answer
    x = 13,518.37

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1.5x scale

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.