Home / 21,505.87-32,258.76-14,108.56

Finding the Fourth Proportional to 21,505.87, 32,258.76 and 14,108.56

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Solution

The fourth proportional to 21,505.87, 32,258.76 and 14,108.56 is: 21,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505.87 : 32,258.76 = 14,108.56 : x
  2. Step 2: Convert to fraction form
    21,505.87/32,258.76 = 14,108.56/x
  3. Step 3: Cross multiply
    21,505.87x = 32,258.76 × 14,108.56
  4. Step 4: Simplify right side
    21,505.87x = 455,124,650.99
  5. Step 5: Solve for x
    x = 455,124,650.99/21,505.87
  6. Step 6: Final answer
    x = 21,162.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.