Home / 28,177.44-38,881.56-16,240.64

Finding the Fourth Proportional to 28,177.44, 38,881.56 and 16,240.64

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Solution

The fourth proportional to 28,177.44, 38,881.56 and 16,240.64 is: 22,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.44 : 38,881.56 = 16,240.64 : x
  2. Step 2: Convert to fraction form
    28,177.44/38,881.56 = 16,240.64/x
  3. Step 3: Cross multiply
    28,177.44x = 38,881.56 × 16,240.64
  4. Step 4: Simplify right side
    28,177.44x = 631,461,418.60
  5. Step 5: Solve for x
    x = 631,461,418.60/28,177.44
  6. Step 6: Final answer
    x = 22,410.18

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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.