Home / 27,667.95-38,184.29-15,731.26

Finding the Fourth Proportional to 27,667.95, 38,184.29 and 15,731.26

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Solution

The fourth proportional to 27,667.95, 38,184.29 and 15,731.26 is: 21,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,667.95 : 38,184.29 = 15,731.26 : x
  2. Step 2: Convert to fraction form
    27,667.95/38,184.29 = 15,731.26/x
  3. Step 3: Cross multiply
    27,667.95x = 38,184.29 × 15,731.26
  4. Step 4: Simplify right side
    27,667.95x = 600,686,993.91
  5. Step 5: Solve for x
    x = 600,686,993.91/27,667.95
  6. Step 6: Final answer
    x = 21,710.57

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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.