Home / 38,199.65-57,298.21-15,709.55

Finding the Fourth Proportional to 38,199.65, 57,298.21 and 15,709.55

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Solution

The fourth proportional to 38,199.65, 57,298.21 and 15,709.55 is: 23,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,199.65 : 57,298.21 = 15,709.55 : x
  2. Step 2: Convert to fraction form
    38,199.65/57,298.21 = 15,709.55/x
  3. Step 3: Cross multiply
    38,199.65x = 57,298.21 × 15,709.55
  4. Step 4: Simplify right side
    38,199.65x = 900,129,094.91
  5. Step 5: Solve for x
    x = 900,129,094.91/38,199.65
  6. Step 6: Final answer
    x = 23,563.80

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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.