Home / 28,104.91-38,802.86-18,037.69

Finding the Fourth Proportional to 28,104.91, 38,802.86 and 18,037.69

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Solution

The fourth proportional to 28,104.91, 38,802.86 and 18,037.69 is: 24,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.91 : 38,802.86 = 18,037.69 : x
  2. Step 2: Convert to fraction form
    28,104.91/38,802.86 = 18,037.69/x
  3. Step 3: Cross multiply
    28,104.91x = 38,802.86 × 18,037.69
  4. Step 4: Simplify right side
    28,104.91x = 699,913,959.79
  5. Step 5: Solve for x
    x = 699,913,959.79/28,104.91
  6. Step 6: Final answer
    x = 24,903.62

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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.