Home / 28,549.60-42,809.76-11,024.48

Finding the Fourth Proportional to 28,549.60, 42,809.76 and 11,024.48

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Solution

The fourth proportional to 28,549.60, 42,809.76 and 11,024.48 is: 16,531.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.60 : 42,809.76 = 11,024.48 : x
  2. Step 2: Convert to fraction form
    28,549.60/42,809.76 = 11,024.48/x
  3. Step 3: Cross multiply
    28,549.60x = 42,809.76 × 11,024.48
  4. Step 4: Simplify right side
    28,549.60x = 471,955,342.92
  5. Step 5: Solve for x
    x = 471,955,342.92/28,549.60
  6. Step 6: Final answer
    x = 16,531.07

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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.