Home / 27,994.51-38,632.41-15,419.26

Finding the Fourth Proportional to 27,994.51, 38,632.41 and 15,419.26

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Solution

The fourth proportional to 27,994.51, 38,632.41 and 15,419.26 is: 21,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.51 : 38,632.41 = 15,419.26 : x
  2. Step 2: Convert to fraction form
    27,994.51/38,632.41 = 15,419.26/x
  3. Step 3: Cross multiply
    27,994.51x = 38,632.41 × 15,419.26
  4. Step 4: Simplify right side
    27,994.51x = 595,683,280.33
  5. Step 5: Solve for x
    x = 595,683,280.33/27,994.51
  6. Step 6: Final answer
    x = 21,278.57

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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.