Home / 27,530.78-37,999.98-16,203.91

Finding the Fourth Proportional to 27,530.78, 37,999.98 and 16,203.91

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Solution

The fourth proportional to 27,530.78, 37,999.98 and 16,203.91 is: 22,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.78 : 37,999.98 = 16,203.91 : x
  2. Step 2: Convert to fraction form
    27,530.78/37,999.98 = 16,203.91/x
  3. Step 3: Cross multiply
    27,530.78x = 37,999.98 × 16,203.91
  4. Step 4: Simplify right side
    27,530.78x = 615,748,255.92
  5. Step 5: Solve for x
    x = 615,748,255.92/27,530.78
  6. Step 6: Final answer
    x = 22,365.81

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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.