Home / 38,634.23-53,306.17-28,005.41

Finding the Fourth Proportional to 38,634.23, 53,306.17 and 28,005.41

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Solution

The fourth proportional to 38,634.23, 53,306.17 and 28,005.41 is: 38,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634.23 : 53,306.17 = 28,005.41 : x
  2. Step 2: Convert to fraction form
    38,634.23/53,306.17 = 28,005.41/x
  3. Step 3: Cross multiply
    38,634.23x = 53,306.17 × 28,005.41
  4. Step 4: Simplify right side
    38,634.23x = 1,492,861,209.63
  5. Step 5: Solve for x
    x = 1,492,861,209.63/38,634.23
  6. Step 6: Final answer
    x = 38,640.89

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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.