Home / 27,613.44-38,106.96-15,038.40

Finding the Fourth Proportional to 27,613.44, 38,106.96 and 15,038.40

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Solution

The fourth proportional to 27,613.44, 38,106.96 and 15,038.40 is: 20,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.44 : 38,106.96 = 15,038.40 : x
  2. Step 2: Convert to fraction form
    27,613.44/38,106.96 = 15,038.40/x
  3. Step 3: Cross multiply
    27,613.44x = 38,106.96 × 15,038.40
  4. Step 4: Simplify right side
    27,613.44x = 573,067,707.26
  5. Step 5: Solve for x
    x = 573,067,707.26/27,613.44
  6. Step 6: Final answer
    x = 20,753.22

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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.