Home / 28,572.48-42,906.06-19,272.24

Finding the Fourth Proportional to 28,572.48, 42,906.06 and 19,272.24

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Solution

The fourth proportional to 28,572.48, 42,906.06 and 19,272.24 is: 28,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.48 : 42,906.06 = 19,272.24 : x
  2. Step 2: Convert to fraction form
    28,572.48/42,906.06 = 19,272.24/x
  3. Step 3: Cross multiply
    28,572.48x = 42,906.06 × 19,272.24
  4. Step 4: Simplify right side
    28,572.48x = 826,895,885.77
  5. Step 5: Solve for x
    x = 826,895,885.77/28,572.48
  6. Step 6: Final answer
    x = 28,940.29

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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.