Home / 26,187.29-36,139.23-14,251.40

Finding the Fourth Proportional to 26,187.29, 36,139.23 and 14,251.40

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Solution

The fourth proportional to 26,187.29, 36,139.23 and 14,251.40 is: 19,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.29 : 36,139.23 = 14,251.40 : x
  2. Step 2: Convert to fraction form
    26,187.29/36,139.23 = 14,251.40/x
  3. Step 3: Cross multiply
    26,187.29x = 36,139.23 × 14,251.40
  4. Step 4: Simplify right side
    26,187.29x = 515,034,441.73
  5. Step 5: Solve for x
    x = 515,034,441.73/26,187.29
  6. Step 6: Final answer
    x = 19,667.35

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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.