Home / 27,828.61-38,386.63-16,494.48

Finding the Fourth Proportional to 27,828.61, 38,386.63 and 16,494.48

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Solution

The fourth proportional to 27,828.61, 38,386.63 and 16,494.48 is: 22,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.61 : 38,386.63 = 16,494.48 : x
  2. Step 2: Convert to fraction form
    27,828.61/38,386.63 = 16,494.48/x
  3. Step 3: Cross multiply
    27,828.61x = 38,386.63 × 16,494.48
  4. Step 4: Simplify right side
    27,828.61x = 633,167,500.80
  5. Step 5: Solve for x
    x = 633,167,500.80/27,828.61
  6. Step 6: Final answer
    x = 22,752.39

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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.