Home / 19,234.89-28,852.34-15,363.90

Finding the Fourth Proportional to 19,234.89, 28,852.34 and 15,363.90

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Solution

The fourth proportional to 19,234.89, 28,852.34 and 15,363.90 is: 23,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234.89 : 28,852.34 = 15,363.90 : x
  2. Step 2: Convert to fraction form
    19,234.89/28,852.34 = 15,363.90/x
  3. Step 3: Cross multiply
    19,234.89x = 28,852.34 × 15,363.90
  4. Step 4: Simplify right side
    19,234.89x = 443,284,389.71
  5. Step 5: Solve for x
    x = 443,284,389.71/19,234.89
  6. Step 6: Final answer
    x = 23,045.85

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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.