Home / 20,593.23-28,416.56-12,635.79

Finding the Fourth Proportional to 20,593.23, 28,416.56 and 12,635.79

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Solution

The fourth proportional to 20,593.23, 28,416.56 and 12,635.79 is: 17,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.23 : 28,416.56 = 12,635.79 : x
  2. Step 2: Convert to fraction form
    20,593.23/28,416.56 = 12,635.79/x
  3. Step 3: Cross multiply
    20,593.23x = 28,416.56 × 12,635.79
  4. Step 4: Simplify right side
    20,593.23x = 359,065,621.50
  5. Step 5: Solve for x
    x = 359,065,621.50/20,593.23
  6. Step 6: Final answer
    x = 17,436.10

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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.