Home / 28,094.01-38,760.44-18,538.64

Finding the Fourth Proportional to 28,094.01, 38,760.44 and 18,538.64

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Solution

The fourth proportional to 28,094.01, 38,760.44 and 18,538.64 is: 25,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.01 : 38,760.44 = 18,538.64 : x
  2. Step 2: Convert to fraction form
    28,094.01/38,760.44 = 18,538.64/x
  3. Step 3: Cross multiply
    28,094.01x = 38,760.44 × 18,538.64
  4. Step 4: Simplify right side
    28,094.01x = 718,565,847.61
  5. Step 5: Solve for x
    x = 718,565,847.61/28,094.01
  6. Step 6: Final answer
    x = 25,577.19

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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.