Home / 26,590.12-39,875.25-8,817.52

Finding the Fourth Proportional to 26,590.12, 39,875.25 and 8,817.52

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Solution

The fourth proportional to 26,590.12, 39,875.25 and 8,817.52 is: 13,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590.12 : 39,875.25 = 8,817.52 : x
  2. Step 2: Convert to fraction form
    26,590.12/39,875.25 = 8,817.52/x
  3. Step 3: Cross multiply
    26,590.12x = 39,875.25 × 8,817.52
  4. Step 4: Simplify right side
    26,590.12x = 351,600,814.38
  5. Step 5: Solve for x
    x = 351,600,814.38/26,590.12
  6. Step 6: Final answer
    x = 13,222.99

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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.