Home / 28,587.44-39,437.48-18,519.24

Finding the Fourth Proportional to 28,587.44, 39,437.48 and 18,519.24

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Solution

The fourth proportional to 28,587.44, 39,437.48 and 18,519.24 is: 25,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.44 : 39,437.48 = 18,519.24 : x
  2. Step 2: Convert to fraction form
    28,587.44/39,437.48 = 18,519.24/x
  3. Step 3: Cross multiply
    28,587.44x = 39,437.48 × 18,519.24
  4. Step 4: Simplify right side
    28,587.44x = 730,352,157.12
  5. Step 5: Solve for x
    x = 730,352,157.12/28,587.44
  6. Step 6: Final answer
    x = 25,548.01

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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.