Home / 27,814.94-38,386.25-15,882.02

Finding the Fourth Proportional to 27,814.94, 38,386.25 and 15,882.02

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Solution

The fourth proportional to 27,814.94, 38,386.25 and 15,882.02 is: 21,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,814.94 : 38,386.25 = 15,882.02 : x
  2. Step 2: Convert to fraction form
    27,814.94/38,386.25 = 15,882.02/x
  3. Step 3: Cross multiply
    27,814.94x = 38,386.25 × 15,882.02
  4. Step 4: Simplify right side
    27,814.94x = 609,651,190.23
  5. Step 5: Solve for x
    x = 609,651,190.23/27,814.94
  6. Step 6: Final answer
    x = 21,918.12

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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.