Home / 26,387.87-36,415.31-14,288.46

Finding the Fourth Proportional to 26,387.87, 36,415.31 and 14,288.46

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Solution

The fourth proportional to 26,387.87, 36,415.31 and 14,288.46 is: 19,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.87 : 36,415.31 = 14,288.46 : x
  2. Step 2: Convert to fraction form
    26,387.87/36,415.31 = 14,288.46/x
  3. Step 3: Cross multiply
    26,387.87x = 36,415.31 × 14,288.46
  4. Step 4: Simplify right side
    26,387.87x = 520,318,628.88
  5. Step 5: Solve for x
    x = 520,318,628.88/26,387.87
  6. Step 6: Final answer
    x = 19,718.10

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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.