Home / 28,233.36-38,959.86-15,484.44

Finding the Fourth Proportional to 28,233.36, 38,959.86 and 15,484.44

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Solution

The fourth proportional to 28,233.36, 38,959.86 and 15,484.44 is: 21,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.36 : 38,959.86 = 15,484.44 : x
  2. Step 2: Convert to fraction form
    28,233.36/38,959.86 = 15,484.44/x
  3. Step 3: Cross multiply
    28,233.36x = 38,959.86 × 15,484.44
  4. Step 4: Simplify right side
    28,233.36x = 603,271,614.58
  5. Step 5: Solve for x
    x = 603,271,614.58/28,233.36
  6. Step 6: Final answer
    x = 21,367.33

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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.