Home / 27,904.64-38,521.64-15,965.64

Finding the Fourth Proportional to 27,904.64, 38,521.64 and 15,965.64

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Solution

The fourth proportional to 27,904.64, 38,521.64 and 15,965.64 is: 22,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.64 : 38,521.64 = 15,965.64 : x
  2. Step 2: Convert to fraction form
    27,904.64/38,521.64 = 15,965.64/x
  3. Step 3: Cross multiply
    27,904.64x = 38,521.64 × 15,965.64
  4. Step 4: Simplify right side
    27,904.64x = 615,022,636.45
  5. Step 5: Solve for x
    x = 615,022,636.45/27,904.64
  6. Step 6: Final answer
    x = 22,040.16

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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.