Home / 27,763.05-38,312.90-15,016.25

Finding the Fourth Proportional to 27,763.05, 38,312.90 and 15,016.25

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Solution

The fourth proportional to 27,763.05, 38,312.90 and 15,016.25 is: 20,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.05 : 38,312.90 = 15,016.25 : x
  2. Step 2: Convert to fraction form
    27,763.05/38,312.90 = 15,016.25/x
  3. Step 3: Cross multiply
    27,763.05x = 38,312.90 × 15,016.25
  4. Step 4: Simplify right side
    27,763.05x = 575,316,161.64
  5. Step 5: Solve for x
    x = 575,316,161.64/27,763.05
  6. Step 6: Final answer
    x = 20,722.37

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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.