Home / 26,318.74-39,426.06-13,820.05

Finding the Fourth Proportional to 26,318.74, 39,426.06 and 13,820.05

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Solution

The fourth proportional to 26,318.74, 39,426.06 and 13,820.05 is: 20,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.74 : 39,426.06 = 13,820.05 : x
  2. Step 2: Convert to fraction form
    26,318.74/39,426.06 = 13,820.05/x
  3. Step 3: Cross multiply
    26,318.74x = 39,426.06 × 13,820.05
  4. Step 4: Simplify right side
    26,318.74x = 544,870,120.50
  5. Step 5: Solve for x
    x = 544,870,120.50/26,318.74
  6. Step 6: Final answer
    x = 20,702.74

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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.