Home / 27,925.20-38,528.10-15,986.31

Finding the Fourth Proportional to 27,925.20, 38,528.10 and 15,986.31

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Solution

The fourth proportional to 27,925.20, 38,528.10 and 15,986.31 is: 22,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.20 : 38,528.10 = 15,986.31 : x
  2. Step 2: Convert to fraction form
    27,925.20/38,528.10 = 15,986.31/x
  3. Step 3: Cross multiply
    27,925.20x = 38,528.10 × 15,986.31
  4. Step 4: Simplify right side
    27,925.20x = 615,922,150.31
  5. Step 5: Solve for x
    x = 615,922,150.31/27,925.20
  6. Step 6: Final answer
    x = 22,056.14

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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.