Home / 25,930.83-38,830.06-20,673.51

Finding the Fourth Proportional to 25,930.83, 38,830.06 and 20,673.51

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Solution

The fourth proportional to 25,930.83, 38,830.06 and 20,673.51 is: 30,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.83 : 38,830.06 = 20,673.51 : x
  2. Step 2: Convert to fraction form
    25,930.83/38,830.06 = 20,673.51/x
  3. Step 3: Cross multiply
    25,930.83x = 38,830.06 × 20,673.51
  4. Step 4: Simplify right side
    25,930.83x = 802,753,582.03
  5. Step 5: Solve for x
    x = 802,753,582.03/25,930.83
  6. Step 6: Final answer
    x = 30,957.49

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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.