Home / 26,289.78-36,278.52-14,350.80

Finding the Fourth Proportional to 26,289.78, 36,278.52 and 14,350.80

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Solution

The fourth proportional to 26,289.78, 36,278.52 and 14,350.80 is: 19,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289.78 : 36,278.52 = 14,350.80 : x
  2. Step 2: Convert to fraction form
    26,289.78/36,278.52 = 14,350.80/x
  3. Step 3: Cross multiply
    26,289.78x = 36,278.52 × 14,350.80
  4. Step 4: Simplify right side
    26,289.78x = 520,625,784.82
  5. Step 5: Solve for x
    x = 520,625,784.82/26,289.78
  6. Step 6: Final answer
    x = 19,803.35

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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.