Home / 23,127.20-34,642.20-19,239.20

Finding the Fourth Proportional to 23,127.20, 34,642.20 and 19,239.20

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Solution

The fourth proportional to 23,127.20, 34,642.20 and 19,239.20 is: 28,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.20 : 34,642.20 = 19,239.20 : x
  2. Step 2: Convert to fraction form
    23,127.20/34,642.20 = 19,239.20/x
  3. Step 3: Cross multiply
    23,127.20x = 34,642.20 × 19,239.20
  4. Step 4: Simplify right side
    23,127.20x = 666,488,214.24
  5. Step 5: Solve for x
    x = 666,488,214.24/23,127.20
  6. Step 6: Final answer
    x = 28,818.37

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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.