Home / 26,388.15-36,415.70-14,288.76

Finding the Fourth Proportional to 26,388.15, 36,415.70 and 14,288.76

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Solution

The fourth proportional to 26,388.15, 36,415.70 and 14,288.76 is: 19,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.15 : 36,415.70 = 14,288.76 : x
  2. Step 2: Convert to fraction form
    26,388.15/36,415.70 = 14,288.76/x
  3. Step 3: Cross multiply
    26,388.15x = 36,415.70 × 14,288.76
  4. Step 4: Simplify right side
    26,388.15x = 520,335,126.09
  5. Step 5: Solve for x
    x = 520,335,126.09/26,388.15
  6. Step 6: Final answer
    x = 19,718.51

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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.