Home / 26,309.93-39,464.28-12,254.81

Finding the Fourth Proportional to 26,309.93, 39,464.28 and 12,254.81

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Solution

The fourth proportional to 26,309.93, 39,464.28 and 12,254.81 is: 18,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,309.93 : 39,464.28 = 12,254.81 : x
  2. Step 2: Convert to fraction form
    26,309.93/39,464.28 = 12,254.81/x
  3. Step 3: Cross multiply
    26,309.93x = 39,464.28 × 12,254.81
  4. Step 4: Simplify right side
    26,309.93x = 483,627,055.87
  5. Step 5: Solve for x
    x = 483,627,055.87/26,309.93
  6. Step 6: Final answer
    x = 18,381.92

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1.5x scale

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.