Home / 26,758.15-40,145.32-10,123.28

Finding the Fourth Proportional to 26,758.15, 40,145.32 and 10,123.28

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Solution

The fourth proportional to 26,758.15, 40,145.32 and 10,123.28 is: 15,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.15 : 40,145.32 = 10,123.28 : x
  2. Step 2: Convert to fraction form
    26,758.15/40,145.32 = 10,123.28/x
  3. Step 3: Cross multiply
    26,758.15x = 40,145.32 × 10,123.28
  4. Step 4: Simplify right side
    26,758.15x = 406,402,063.71
  5. Step 5: Solve for x
    x = 406,402,063.71/26,758.15
  6. Step 6: Final answer
    x = 15,187.98

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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.