Home / 27,959.24-38,586.48-20,873.36

Finding the Fourth Proportional to 27,959.24, 38,586.48 and 20,873.36

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Solution

The fourth proportional to 27,959.24, 38,586.48 and 20,873.36 is: 28,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.24 : 38,586.48 = 20,873.36 : x
  2. Step 2: Convert to fraction form
    27,959.24/38,586.48 = 20,873.36/x
  3. Step 3: Cross multiply
    27,959.24x = 38,586.48 × 20,873.36
  4. Step 4: Simplify right side
    27,959.24x = 805,429,506.36
  5. Step 5: Solve for x
    x = 805,429,506.36/27,959.24
  6. Step 6: Final answer
    x = 28,807.27

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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.