Home / 26,312.72-39,486.30-9,672.86

Finding the Fourth Proportional to 26,312.72, 39,486.30 and 9,672.86

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Solution

The fourth proportional to 26,312.72, 39,486.30 and 9,672.86 is: 14,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,312.72 : 39,486.30 = 9,672.86 : x
  2. Step 2: Convert to fraction form
    26,312.72/39,486.30 = 9,672.86/x
  3. Step 3: Cross multiply
    26,312.72x = 39,486.30 × 9,672.86
  4. Step 4: Simplify right side
    26,312.72x = 381,945,451.82
  5. Step 5: Solve for x
    x = 381,945,451.82/26,312.72
  6. Step 6: Final answer
    x = 14,515.62

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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.