Home / 28,094.16-38,769.56-15,348.50

Finding the Fourth Proportional to 28,094.16, 38,769.56 and 15,348.50

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Solution

The fourth proportional to 28,094.16, 38,769.56 and 15,348.50 is: 21,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.16 : 38,769.56 = 15,348.50 : x
  2. Step 2: Convert to fraction form
    28,094.16/38,769.56 = 15,348.50/x
  3. Step 3: Cross multiply
    28,094.16x = 38,769.56 × 15,348.50
  4. Step 4: Simplify right side
    28,094.16x = 595,054,591.66
  5. Step 5: Solve for x
    x = 595,054,591.66/28,094.16
  6. Step 6: Final answer
    x = 21,180.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.