Home / 26,543.05-39,820.70-9,012.87

Finding the Fourth Proportional to 26,543.05, 39,820.70 and 9,012.87

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Solution

The fourth proportional to 26,543.05, 39,820.70 and 9,012.87 is: 13,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.05 : 39,820.70 = 9,012.87 : x
  2. Step 2: Convert to fraction form
    26,543.05/39,820.70 = 9,012.87/x
  3. Step 3: Cross multiply
    26,543.05x = 39,820.70 × 9,012.87
  4. Step 4: Simplify right side
    26,543.05x = 358,898,814.94
  5. Step 5: Solve for x
    x = 358,898,814.94/26,543.05
  6. Step 6: Final answer
    x = 13,521.39

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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.