Home / 20,549.60-30,803.28-8,852.96

Finding the Fourth Proportional to 20,549.60, 30,803.28 and 8,852.96

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Solution

The fourth proportional to 20,549.60, 30,803.28 and 8,852.96 is: 13,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.60 : 30,803.28 = 8,852.96 : x
  2. Step 2: Convert to fraction form
    20,549.60/30,803.28 = 8,852.96/x
  3. Step 3: Cross multiply
    20,549.60x = 30,803.28 × 8,852.96
  4. Step 4: Simplify right side
    20,549.60x = 272,700,205.71
  5. Step 5: Solve for x
    x = 272,700,205.71/20,549.60
  6. Step 6: Final answer
    x = 13,270.34

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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.