Home / 27,995.23-38,632.83-15,248.55

Finding the Fourth Proportional to 27,995.23, 38,632.83 and 15,248.55

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Solution

The fourth proportional to 27,995.23, 38,632.83 and 15,248.55 is: 21,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.23 : 38,632.83 = 15,248.55 : x
  2. Step 2: Convert to fraction form
    27,995.23/38,632.83 = 15,248.55/x
  3. Step 3: Cross multiply
    27,995.23x = 38,632.83 × 15,248.55
  4. Step 4: Simplify right side
    27,995.23x = 589,094,639.90
  5. Step 5: Solve for x
    x = 589,094,639.90/27,995.23
  6. Step 6: Final answer
    x = 21,042.68

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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.