Home / 28,073.44-38,741.20-15,498.16

Finding the Fourth Proportional to 28,073.44, 38,741.20 and 15,498.16

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Solution

The fourth proportional to 28,073.44, 38,741.20 and 15,498.16 is: 21,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.44 : 38,741.20 = 15,498.16 : x
  2. Step 2: Convert to fraction form
    28,073.44/38,741.20 = 15,498.16/x
  3. Step 3: Cross multiply
    28,073.44x = 38,741.20 × 15,498.16
  4. Step 4: Simplify right side
    28,073.44x = 600,417,316.19
  5. Step 5: Solve for x
    x = 600,417,316.19/28,073.44
  6. Step 6: Final answer
    x = 21,387.38

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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.