Home / 26,402.64-39,618.84-10,831.20

Finding the Fourth Proportional to 26,402.64, 39,618.84 and 10,831.20

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Solution

The fourth proportional to 26,402.64, 39,618.84 and 10,831.20 is: 16,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,402.64 : 39,618.84 = 10,831.20 : x
  2. Step 2: Convert to fraction form
    26,402.64/39,618.84 = 10,831.20/x
  3. Step 3: Cross multiply
    26,402.64x = 39,618.84 × 10,831.20
  4. Step 4: Simplify right side
    26,402.64x = 429,119,579.81
  5. Step 5: Solve for x
    x = 429,119,579.81/26,402.64
  6. Step 6: Final answer
    x = 16,252.90

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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.