Home / 26,667.90-36,790.29-15,334.83

Finding the Fourth Proportional to 26,667.90, 36,790.29 and 15,334.83

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Solution

The fourth proportional to 26,667.90, 36,790.29 and 15,334.83 is: 21,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,667.90 : 36,790.29 = 15,334.83 : x
  2. Step 2: Convert to fraction form
    26,667.90/36,790.29 = 15,334.83/x
  3. Step 3: Cross multiply
    26,667.90x = 36,790.29 × 15,334.83
  4. Step 4: Simplify right side
    26,667.90x = 564,172,842.80
  5. Step 5: Solve for x
    x = 564,172,842.80/26,667.90
  6. Step 6: Final answer
    x = 21,155.50

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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.