Home / 19,135.80-28,710.96-17,280.48

Finding the Fourth Proportional to 19,135.80, 28,710.96 and 17,280.48

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Solution

The fourth proportional to 19,135.80, 28,710.96 and 17,280.48 is: 25,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.80 : 28,710.96 = 17,280.48 : x
  2. Step 2: Convert to fraction form
    19,135.80/28,710.96 = 17,280.48/x
  3. Step 3: Cross multiply
    19,135.80x = 28,710.96 × 17,280.48
  4. Step 4: Simplify right side
    19,135.80x = 496,139,170.06
  5. Step 5: Solve for x
    x = 496,139,170.06/19,135.80
  6. Step 6: Final answer
    x = 25,927.28

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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.