Home / 28,191.21-42,250.08-15,710.73

Finding the Fourth Proportional to 28,191.21, 42,250.08 and 15,710.73

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Solution

The fourth proportional to 28,191.21, 42,250.08 and 15,710.73 is: 23,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,191.21 : 42,250.08 = 15,710.73 : x
  2. Step 2: Convert to fraction form
    28,191.21/42,250.08 = 15,710.73/x
  3. Step 3: Cross multiply
    28,191.21x = 42,250.08 × 15,710.73
  4. Step 4: Simplify right side
    28,191.21x = 663,779,599.36
  5. Step 5: Solve for x
    x = 663,779,599.36/28,191.21
  6. Step 6: Final answer
    x = 23,545.62

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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.