Home / 27,975.15-38,613.86-22,349.10

Finding the Fourth Proportional to 27,975.15, 38,613.86 and 22,349.10

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Solution

The fourth proportional to 27,975.15, 38,613.86 and 22,349.10 is: 30,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975.15 : 38,613.86 = 22,349.10 : x
  2. Step 2: Convert to fraction form
    27,975.15/38,613.86 = 22,349.10/x
  3. Step 3: Cross multiply
    27,975.15x = 38,613.86 × 22,349.10
  4. Step 4: Simplify right side
    27,975.15x = 862,984,906.78
  5. Step 5: Solve for x
    x = 862,984,906.78/27,975.15
  6. Step 6: Final answer
    x = 30,848.27

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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.