Home / 27,959.06-38,586.23-20,873.18

Finding the Fourth Proportional to 27,959.06, 38,586.23 and 20,873.18

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Solution

The fourth proportional to 27,959.06, 38,586.23 and 20,873.18 is: 28,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.06 : 38,586.23 = 20,873.18 : x
  2. Step 2: Convert to fraction form
    27,959.06/38,586.23 = 20,873.18/x
  3. Step 3: Cross multiply
    27,959.06x = 38,586.23 × 20,873.18
  4. Step 4: Simplify right side
    27,959.06x = 805,417,027.01
  5. Step 5: Solve for x
    x = 805,417,027.01/27,959.06
  6. Step 6: Final answer
    x = 28,807.02

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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.