Home / 20,975.00-31,605.91-17,357.00

Finding the Fourth Proportional to 20,975.00, 31,605.91 and 17,357.00

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Solution

The fourth proportional to 20,975.00, 31,605.91 and 17,357.00 is: 26,154.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,975.00 : 31,605.91 = 17,357.00 : x
  2. Step 2: Convert to fraction form
    20,975.00/31,605.91 = 17,357.00/x
  3. Step 3: Cross multiply
    20,975.00x = 31,605.91 × 17,357.00
  4. Step 4: Simplify right side
    20,975.00x = 548,583,643.54
  5. Step 5: Solve for x
    x = 548,583,643.54/20,975.00
  6. Step 6: Final answer
    x = 26,154.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.