Home / 27,825.05-38,398.68-15,078.26

Finding the Fourth Proportional to 27,825.05, 38,398.68 and 15,078.26

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Solution

The fourth proportional to 27,825.05, 38,398.68 and 15,078.26 is: 20,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.05 : 38,398.68 = 15,078.26 : x
  2. Step 2: Convert to fraction form
    27,825.05/38,398.68 = 15,078.26/x
  3. Step 3: Cross multiply
    27,825.05x = 38,398.68 × 15,078.26
  4. Step 4: Simplify right side
    27,825.05x = 578,985,088.70
  5. Step 5: Solve for x
    x = 578,985,088.70/27,825.05
  6. Step 6: Final answer
    x = 20,808.06

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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.