Home / 26,187.99-36,139.39-14,251.30

Finding the Fourth Proportional to 26,187.99, 36,139.39 and 14,251.30

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Solution

The fourth proportional to 26,187.99, 36,139.39 and 14,251.30 is: 19,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.99 : 36,139.39 = 14,251.30 : x
  2. Step 2: Convert to fraction form
    26,187.99/36,139.39 = 14,251.30/x
  3. Step 3: Cross multiply
    26,187.99x = 36,139.39 × 14,251.30
  4. Step 4: Simplify right side
    26,187.99x = 515,033,288.71
  5. Step 5: Solve for x
    x = 515,033,288.71/26,187.99
  6. Step 6: Final answer
    x = 19,666.77

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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.