Home / 27,291.44-37,661.88-15,354.80

Finding the Fourth Proportional to 27,291.44, 37,661.88 and 15,354.80

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Solution

The fourth proportional to 27,291.44, 37,661.88 and 15,354.80 is: 21,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291.44 : 37,661.88 = 15,354.80 : x
  2. Step 2: Convert to fraction form
    27,291.44/37,661.88 = 15,354.80/x
  3. Step 3: Cross multiply
    27,291.44x = 37,661.88 × 15,354.80
  4. Step 4: Simplify right side
    27,291.44x = 578,290,635.02
  5. Step 5: Solve for x
    x = 578,290,635.02/27,291.44
  6. Step 6: Final answer
    x = 21,189.45

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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.