Home / 26,412.57-39,643.52-13,941.81

Finding the Fourth Proportional to 26,412.57, 39,643.52 and 13,941.81

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Solution

The fourth proportional to 26,412.57, 39,643.52 and 13,941.81 is: 20,925.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412.57 : 39,643.52 = 13,941.81 : x
  2. Step 2: Convert to fraction form
    26,412.57/39,643.52 = 13,941.81/x
  3. Step 3: Cross multiply
    26,412.57x = 39,643.52 × 13,941.81
  4. Step 4: Simplify right side
    26,412.57x = 552,702,353.86
  5. Step 5: Solve for x
    x = 552,702,353.86/26,412.57
  6. Step 6: Final answer
    x = 20,925.73

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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.