Home / 26,030.40-39,026.78-15,475.38

Finding the Fourth Proportional to 26,030.40, 39,026.78 and 15,475.38

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Solution

The fourth proportional to 26,030.40, 39,026.78 and 15,475.38 is: 23,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,030.40 : 39,026.78 = 15,475.38 : x
  2. Step 2: Convert to fraction form
    26,030.40/39,026.78 = 15,475.38/x
  3. Step 3: Cross multiply
    26,030.40x = 39,026.78 × 15,475.38
  4. Step 4: Simplify right side
    26,030.40x = 603,954,250.68
  5. Step 5: Solve for x
    x = 603,954,250.68/26,030.40
  6. Step 6: Final answer
    x = 23,201.88

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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.