Home / 28,583.48-42,795.99-21,542.18

Finding the Fourth Proportional to 28,583.48, 42,795.99 and 21,542.18

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Solution

The fourth proportional to 28,583.48, 42,795.99 and 21,542.18 is: 32,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,583.48 : 42,795.99 = 21,542.18 : x
  2. Step 2: Convert to fraction form
    28,583.48/42,795.99 = 21,542.18/x
  3. Step 3: Cross multiply
    28,583.48x = 42,795.99 × 21,542.18
  4. Step 4: Simplify right side
    28,583.48x = 921,918,919.86
  5. Step 5: Solve for x
    x = 921,918,919.86/28,583.48
  6. Step 6: Final answer
    x = 32,253.56

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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.