Home / 27,955.42-38,577.69-15,380.17

Finding the Fourth Proportional to 27,955.42, 38,577.69 and 15,380.17

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Solution

The fourth proportional to 27,955.42, 38,577.69 and 15,380.17 is: 21,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955.42 : 38,577.69 = 15,380.17 : x
  2. Step 2: Convert to fraction form
    27,955.42/38,577.69 = 15,380.17/x
  3. Step 3: Cross multiply
    27,955.42x = 38,577.69 × 15,380.17
  4. Step 4: Simplify right side
    27,955.42x = 593,331,430.41
  5. Step 5: Solve for x
    x = 593,331,430.41/27,955.42
  6. Step 6: Final answer
    x = 21,224.20

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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.