Home / 27,551.36-38,019.64-15,614.44

Finding the Fourth Proportional to 27,551.36, 38,019.64 and 15,614.44

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Solution

The fourth proportional to 27,551.36, 38,019.64 and 15,614.44 is: 21,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551.36 : 38,019.64 = 15,614.44 : x
  2. Step 2: Convert to fraction form
    27,551.36/38,019.64 = 15,614.44/x
  3. Step 3: Cross multiply
    27,551.36x = 38,019.64 × 15,614.44
  4. Step 4: Simplify right side
    27,551.36x = 593,655,387.60
  5. Step 5: Solve for x
    x = 593,655,387.60/27,551.36
  6. Step 6: Final answer
    x = 21,547.23

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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.