Home / 27,630.48-38,109.78-17,550.30

Finding the Fourth Proportional to 27,630.48, 38,109.78 and 17,550.30

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Solution

The fourth proportional to 27,630.48, 38,109.78 and 17,550.30 is: 24,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630.48 : 38,109.78 = 17,550.30 : x
  2. Step 2: Convert to fraction form
    27,630.48/38,109.78 = 17,550.30/x
  3. Step 3: Cross multiply
    27,630.48x = 38,109.78 × 17,550.30
  4. Step 4: Simplify right side
    27,630.48x = 668,838,071.93
  5. Step 5: Solve for x
    x = 668,838,071.93/27,630.48
  6. Step 6: Final answer
    x = 24,206.53

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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.