Home / 19,118.31-28,574.99-17,239.92

Finding the Fourth Proportional to 19,118.31, 28,574.99 and 17,239.92

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Solution

The fourth proportional to 19,118.31, 28,574.99 and 17,239.92 is: 25,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.31 : 28,574.99 = 17,239.92 : x
  2. Step 2: Convert to fraction form
    19,118.31/28,574.99 = 17,239.92/x
  3. Step 3: Cross multiply
    19,118.31x = 28,574.99 × 17,239.92
  4. Step 4: Simplify right side
    19,118.31x = 492,630,455.40
  5. Step 5: Solve for x
    x = 492,630,455.40/19,118.31
  6. Step 6: Final answer
    x = 25,767.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.