Home / 27,905.32-38,509.14-15,968.08

Finding the Fourth Proportional to 27,905.32, 38,509.14 and 15,968.08

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Solution

The fourth proportional to 27,905.32, 38,509.14 and 15,968.08 is: 22,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.32 : 38,509.14 = 15,968.08 : x
  2. Step 2: Convert to fraction form
    27,905.32/38,509.14 = 15,968.08/x
  3. Step 3: Cross multiply
    27,905.32x = 38,509.14 × 15,968.08
  4. Step 4: Simplify right side
    27,905.32x = 614,917,028.25
  5. Step 5: Solve for x
    x = 614,917,028.25/27,905.32
  6. Step 6: Final answer
    x = 22,035.84

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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.