Home / 26,557.15-36,649.11-14,620.75

Finding the Fourth Proportional to 26,557.15, 36,649.11 and 14,620.75

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Solution

The fourth proportional to 26,557.15, 36,649.11 and 14,620.75 is: 20,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.15 : 36,649.11 = 14,620.75 : x
  2. Step 2: Convert to fraction form
    26,557.15/36,649.11 = 14,620.75/x
  3. Step 3: Cross multiply
    26,557.15x = 36,649.11 × 14,620.75
  4. Step 4: Simplify right side
    26,557.15x = 535,837,475.03
  5. Step 5: Solve for x
    x = 535,837,475.03/26,557.15
  6. Step 6: Final answer
    x = 20,176.77

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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.