Home / 26,513.51-39,761.80-8,740.85

Finding the Fourth Proportional to 26,513.51, 39,761.80 and 8,740.85

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Solution

The fourth proportional to 26,513.51, 39,761.80 and 8,740.85 is: 13,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,513.51 : 39,761.80 = 8,740.85 : x
  2. Step 2: Convert to fraction form
    26,513.51/39,761.80 = 8,740.85/x
  3. Step 3: Cross multiply
    26,513.51x = 39,761.80 × 8,740.85
  4. Step 4: Simplify right side
    26,513.51x = 347,551,929.53
  5. Step 5: Solve for x
    x = 347,551,929.53/26,513.51
  6. Step 6: Final answer
    x = 13,108.49

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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.