Home / 26,187.81-36,138.66-14,251.34

Finding the Fourth Proportional to 26,187.81, 36,138.66 and 14,251.34

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Solution

The fourth proportional to 26,187.81, 36,138.66 and 14,251.34 is: 19,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.81 : 36,138.66 = 14,251.34 : x
  2. Step 2: Convert to fraction form
    26,187.81/36,138.66 = 14,251.34/x
  3. Step 3: Cross multiply
    26,187.81x = 36,138.66 × 14,251.34
  4. Step 4: Simplify right side
    26,187.81x = 515,024,367.71
  5. Step 5: Solve for x
    x = 515,024,367.71/26,187.81
  6. Step 6: Final answer
    x = 19,666.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.