Home / 18,702.04-28,047.48-15,406.96

Finding the Fourth Proportional to 18,702.04, 28,047.48 and 15,406.96

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Solution

The fourth proportional to 18,702.04, 28,047.48 and 15,406.96 is: 23,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702.04 : 28,047.48 = 15,406.96 : x
  2. Step 2: Convert to fraction form
    18,702.04/28,047.48 = 15,406.96/x
  3. Step 3: Cross multiply
    18,702.04x = 28,047.48 × 15,406.96
  4. Step 4: Simplify right side
    18,702.04x = 432,126,402.46
  5. Step 5: Solve for x
    x = 432,126,402.46/18,702.04
  6. Step 6: Final answer
    x = 23,105.84

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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.