Home / 27,752.02-38,298.82-15,815.04

Finding the Fourth Proportional to 27,752.02, 38,298.82 and 15,815.04

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Solution

The fourth proportional to 27,752.02, 38,298.82 and 15,815.04 is: 21,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,752.02 : 38,298.82 = 15,815.04 : x
  2. Step 2: Convert to fraction form
    27,752.02/38,298.82 = 15,815.04/x
  3. Step 3: Cross multiply
    27,752.02x = 38,298.82 × 15,815.04
  4. Step 4: Simplify right side
    27,752.02x = 605,697,370.25
  5. Step 5: Solve for x
    x = 605,697,370.25/27,752.02
  6. Step 6: Final answer
    x = 21,825.34

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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.