Home / 19,264.20-28,896.30-17,320.20

Finding the Fourth Proportional to 19,264.20, 28,896.30 and 17,320.20

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Solution

The fourth proportional to 19,264.20, 28,896.30 and 17,320.20 is: 25,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.20 : 28,896.30 = 17,320.20 : x
  2. Step 2: Convert to fraction form
    19,264.20/28,896.30 = 17,320.20/x
  3. Step 3: Cross multiply
    19,264.20x = 28,896.30 × 17,320.20
  4. Step 4: Simplify right side
    19,264.20x = 500,489,695.26
  5. Step 5: Solve for x
    x = 500,489,695.26/19,264.20
  6. Step 6: Final answer
    x = 25,980.30

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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.