Home / 28,094.02-38,769.89-15,346.82

Finding the Fourth Proportional to 28,094.02, 38,769.89 and 15,346.82

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Solution

The fourth proportional to 28,094.02, 38,769.89 and 15,346.82 is: 21,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.02 : 38,769.89 = 15,346.82 : x
  2. Step 2: Convert to fraction form
    28,094.02/38,769.89 = 15,346.82/x
  3. Step 3: Cross multiply
    28,094.02x = 38,769.89 × 15,346.82
  4. Step 4: Simplify right side
    28,094.02x = 594,994,523.25
  5. Step 5: Solve for x
    x = 594,994,523.25/28,094.02
  6. Step 6: Final answer
    x = 21,178.69

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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.