Home / 26,256.15-39,364.18-13,117.75

Finding the Fourth Proportional to 26,256.15, 39,364.18 and 13,117.75

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Solution

The fourth proportional to 26,256.15, 39,364.18 and 13,117.75 is: 19,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,256.15 : 39,364.18 = 13,117.75 : x
  2. Step 2: Convert to fraction form
    26,256.15/39,364.18 = 13,117.75/x
  3. Step 3: Cross multiply
    26,256.15x = 39,364.18 × 13,117.75
  4. Step 4: Simplify right side
    26,256.15x = 516,369,340.99
  5. Step 5: Solve for x
    x = 516,369,340.99/26,256.15
  6. Step 6: Final answer
    x = 19,666.61

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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.