Home / 20,491.01-30,688.67-15,773.58

Finding the Fourth Proportional to 20,491.01, 30,688.67 and 15,773.58

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Solution

The fourth proportional to 20,491.01, 30,688.67 and 15,773.58 is: 23,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491.01 : 30,688.67 = 15,773.58 : x
  2. Step 2: Convert to fraction form
    20,491.01/30,688.67 = 15,773.58/x
  3. Step 3: Cross multiply
    20,491.01x = 30,688.67 × 15,773.58
  4. Step 4: Simplify right side
    20,491.01x = 484,070,228.63
  5. Step 5: Solve for x
    x = 484,070,228.63/20,491.01
  6. Step 6: Final answer
    x = 23,623.55

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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.