Home / 19,024.80-28,545.30-12,010.20

Finding the Fourth Proportional to 19,024.80, 28,545.30 and 12,010.20

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Solution

The fourth proportional to 19,024.80, 28,545.30 and 12,010.20 is: 18,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,024.80 : 28,545.30 = 12,010.20 : x
  2. Step 2: Convert to fraction form
    19,024.80/28,545.30 = 12,010.20/x
  3. Step 3: Cross multiply
    19,024.80x = 28,545.30 × 12,010.20
  4. Step 4: Simplify right side
    19,024.80x = 342,834,762.06
  5. Step 5: Solve for x
    x = 342,834,762.06/19,024.80
  6. Step 6: Final answer
    x = 18,020.41

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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.