Home / 27,935.85-38,551.63-15,189.16

Finding the Fourth Proportional to 27,935.85, 38,551.63 and 15,189.16

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Solution

The fourth proportional to 27,935.85, 38,551.63 and 15,189.16 is: 20,961.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.85 : 38,551.63 = 15,189.16 : x
  2. Step 2: Convert to fraction form
    27,935.85/38,551.63 = 15,189.16/x
  3. Step 3: Cross multiply
    27,935.85x = 38,551.63 × 15,189.16
  4. Step 4: Simplify right side
    27,935.85x = 585,566,669.69
  5. Step 5: Solve for x
    x = 585,566,669.69/27,935.85
  6. Step 6: Final answer
    x = 20,961.12

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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.