Home / 25,959.69-38,970.38-21,850.83

Finding the Fourth Proportional to 25,959.69, 38,970.38 and 21,850.83

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Solution

The fourth proportional to 25,959.69, 38,970.38 and 21,850.83 is: 32,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,959.69 : 38,970.38 = 21,850.83 : x
  2. Step 2: Convert to fraction form
    25,959.69/38,970.38 = 21,850.83/x
  3. Step 3: Cross multiply
    25,959.69x = 38,970.38 × 21,850.83
  4. Step 4: Simplify right side
    25,959.69x = 851,535,203.04
  5. Step 5: Solve for x
    x = 851,535,203.04/25,959.69
  6. Step 6: Final answer
    x = 32,802.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.