Home / 26,394.03-36,435.92-15,638.19

Finding the Fourth Proportional to 26,394.03, 36,435.92 and 15,638.19

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Solution

The fourth proportional to 26,394.03, 36,435.92 and 15,638.19 is: 21,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,394.03 : 36,435.92 = 15,638.19 : x
  2. Step 2: Convert to fraction form
    26,394.03/36,435.92 = 15,638.19/x
  3. Step 3: Cross multiply
    26,394.03x = 36,435.92 × 15,638.19
  4. Step 4: Simplify right side
    26,394.03x = 569,791,761.59
  5. Step 5: Solve for x
    x = 569,791,761.59/26,394.03
  6. Step 6: Final answer
    x = 21,587.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.