Home / 28,014.34-38,675.61-18,595.78

Finding the Fourth Proportional to 28,014.34, 38,675.61 and 18,595.78

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Solution

The fourth proportional to 28,014.34, 38,675.61 and 18,595.78 is: 25,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.34 : 38,675.61 = 18,595.78 : x
  2. Step 2: Convert to fraction form
    28,014.34/38,675.61 = 18,595.78/x
  3. Step 3: Cross multiply
    28,014.34x = 38,675.61 × 18,595.78
  4. Step 4: Simplify right side
    28,014.34x = 719,203,134.93
  5. Step 5: Solve for x
    x = 719,203,134.93/28,014.34
  6. Step 6: Final answer
    x = 25,672.68

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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.