Home / 28,023.84-38,673.03-15,448.62

Finding the Fourth Proportional to 28,023.84, 38,673.03 and 15,448.62

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Solution

The fourth proportional to 28,023.84, 38,673.03 and 15,448.62 is: 21,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.84 : 38,673.03 = 15,448.62 : x
  2. Step 2: Convert to fraction form
    28,023.84/38,673.03 = 15,448.62/x
  3. Step 3: Cross multiply
    28,023.84x = 38,673.03 × 15,448.62
  4. Step 4: Simplify right side
    28,023.84x = 597,444,944.72
  5. Step 5: Solve for x
    x = 597,444,944.72/28,023.84
  6. Step 6: Final answer
    x = 21,319.17

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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.