Home / 28,024.83-38,673.71-15,278.06

Finding the Fourth Proportional to 28,024.83, 38,673.71 and 15,278.06

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Solution

The fourth proportional to 28,024.83, 38,673.71 and 15,278.06 is: 21,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.83 : 38,673.71 = 15,278.06 : x
  2. Step 2: Convert to fraction form
    28,024.83/38,673.71 = 15,278.06/x
  3. Step 3: Cross multiply
    28,024.83x = 38,673.71 × 15,278.06
  4. Step 4: Simplify right side
    28,024.83x = 590,859,261.80
  5. Step 5: Solve for x
    x = 590,859,261.80/28,024.83
  6. Step 6: Final answer
    x = 21,083.42

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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.