Home / 28,248.39-38,984.58-15,673.14

Finding the Fourth Proportional to 28,248.39, 38,984.58 and 15,673.14

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Solution

The fourth proportional to 28,248.39, 38,984.58 and 15,673.14 is: 21,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.39 : 38,984.58 = 15,673.14 : x
  2. Step 2: Convert to fraction form
    28,248.39/38,984.58 = 15,673.14/x
  3. Step 3: Cross multiply
    28,248.39x = 38,984.58 × 15,673.14
  4. Step 4: Simplify right side
    28,248.39x = 611,010,780.18
  5. Step 5: Solve for x
    x = 611,010,780.18/28,248.39
  6. Step 6: Final answer
    x = 21,629.93

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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.