Home / 28,233.88-42,335.35-13,019.93

Finding the Fourth Proportional to 28,233.88, 42,335.35 and 13,019.93

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Solution

The fourth proportional to 28,233.88, 42,335.35 and 13,019.93 is: 19,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.88 : 42,335.35 = 13,019.93 : x
  2. Step 2: Convert to fraction form
    28,233.88/42,335.35 = 13,019.93/x
  3. Step 3: Cross multiply
    28,233.88x = 42,335.35 × 13,019.93
  4. Step 4: Simplify right side
    28,233.88x = 551,203,415.64
  5. Step 5: Solve for x
    x = 551,203,415.64/28,233.88
  6. Step 6: Final answer
    x = 19,522.76

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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.