Home / 27,508.40-37,962.50-15,571.49

Finding the Fourth Proportional to 27,508.40, 37,962.50 and 15,571.49

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Solution

The fourth proportional to 27,508.40, 37,962.50 and 15,571.49 is: 21,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,508.40 : 37,962.50 = 15,571.49 : x
  2. Step 2: Convert to fraction form
    27,508.40/37,962.50 = 15,571.49/x
  3. Step 3: Cross multiply
    27,508.40x = 37,962.50 × 15,571.49
  4. Step 4: Simplify right side
    27,508.40x = 591,132,421.46
  5. Step 5: Solve for x
    x = 591,132,421.46/27,508.40
  6. Step 6: Final answer
    x = 21,489.16

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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.