Home / 20,595.55-30,872.80-14,357.13

Finding the Fourth Proportional to 20,595.55, 30,872.80 and 14,357.13

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Solution

The fourth proportional to 20,595.55, 30,872.80 and 14,357.13 is: 21,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.55 : 30,872.80 = 14,357.13 : x
  2. Step 2: Convert to fraction form
    20,595.55/30,872.80 = 14,357.13/x
  3. Step 3: Cross multiply
    20,595.55x = 30,872.80 × 14,357.13
  4. Step 4: Simplify right side
    20,595.55x = 443,244,798.14
  5. Step 5: Solve for x
    x = 443,244,798.14/20,595.55
  6. Step 6: Final answer
    x = 21,521.39

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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.