Home / 27,015.69-37,282.17-15,686.12

Finding the Fourth Proportional to 27,015.69, 37,282.17 and 15,686.12

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Solution

The fourth proportional to 27,015.69, 37,282.17 and 15,686.12 is: 21,647.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,015.69 : 37,282.17 = 15,686.12 : x
  2. Step 2: Convert to fraction form
    27,015.69/37,282.17 = 15,686.12/x
  3. Step 3: Cross multiply
    27,015.69x = 37,282.17 × 15,686.12
  4. Step 4: Simplify right side
    27,015.69x = 584,812,406.07
  5. Step 5: Solve for x
    x = 584,812,406.07/27,015.69
  6. Step 6: Final answer
    x = 21,647.14

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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.