Home / 19,020.30-28,542.69-10,261.26

Finding the Fourth Proportional to 19,020.30, 28,542.69 and 10,261.26

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Solution

The fourth proportional to 19,020.30, 28,542.69 and 10,261.26 is: 15,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.30 : 28,542.69 = 10,261.26 : x
  2. Step 2: Convert to fraction form
    19,020.30/28,542.69 = 10,261.26/x
  3. Step 3: Cross multiply
    19,020.30x = 28,542.69 × 10,261.26
  4. Step 4: Simplify right side
    19,020.30x = 292,883,963.19
  5. Step 5: Solve for x
    x = 292,883,963.19/19,020.30
  6. Step 6: Final answer
    x = 15,398.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.