Home / 26,372.51-39,565.10-10,790.18

Finding the Fourth Proportional to 26,372.51, 39,565.10 and 10,790.18

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Solution

The fourth proportional to 26,372.51, 39,565.10 and 10,790.18 is: 16,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,372.51 : 39,565.10 = 10,790.18 : x
  2. Step 2: Convert to fraction form
    26,372.51/39,565.10 = 10,790.18/x
  3. Step 3: Cross multiply
    26,372.51x = 39,565.10 × 10,790.18
  4. Step 4: Simplify right side
    26,372.51x = 426,914,550.72
  5. Step 5: Solve for x
    x = 426,914,550.72/26,372.51
  6. Step 6: Final answer
    x = 16,187.86

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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.