Home / 26,775.61-36,949.41-14,840.07

Finding the Fourth Proportional to 26,775.61, 36,949.41 and 14,840.07

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Solution

The fourth proportional to 26,775.61, 36,949.41 and 14,840.07 is: 20,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,775.61 : 36,949.41 = 14,840.07 : x
  2. Step 2: Convert to fraction form
    26,775.61/36,949.41 = 14,840.07/x
  3. Step 3: Cross multiply
    26,775.61x = 36,949.41 × 14,840.07
  4. Step 4: Simplify right side
    26,775.61x = 548,331,830.86
  5. Step 5: Solve for x
    x = 548,331,830.86/26,775.61
  6. Step 6: Final answer
    x = 20,478.78

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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.