Home / 26,270.83-39,412.52-8,740.81

Finding the Fourth Proportional to 26,270.83, 39,412.52 and 8,740.81

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Solution

The fourth proportional to 26,270.83, 39,412.52 and 8,740.81 is: 13,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,270.83 : 39,412.52 = 8,740.81 : x
  2. Step 2: Convert to fraction form
    26,270.83/39,412.52 = 8,740.81/x
  3. Step 3: Cross multiply
    26,270.83x = 39,412.52 × 8,740.81
  4. Step 4: Simplify right side
    26,270.83x = 344,497,108.17
  5. Step 5: Solve for x
    x = 344,497,108.17/26,270.83
  6. Step 6: Final answer
    x = 13,113.30

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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.