Home / 38,503.04-57,756.80-10,803.20

Finding the Fourth Proportional to 38,503.04, 57,756.80 and 10,803.20

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Solution

The fourth proportional to 38,503.04, 57,756.80 and 10,803.20 is: 16,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,503.04 : 57,756.80 = 10,803.20 : x
  2. Step 2: Convert to fraction form
    38,503.04/57,756.80 = 10,803.20/x
  3. Step 3: Cross multiply
    38,503.04x = 57,756.80 × 10,803.20
  4. Step 4: Simplify right side
    38,503.04x = 623,958,261.76
  5. Step 5: Solve for x
    x = 623,958,261.76/38,503.04
  6. Step 6: Final answer
    x = 16,205.43

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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.