Home / 20,376.30-30,564.45-17,095.80

Finding the Fourth Proportional to 20,376.30, 30,564.45 and 17,095.80

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Solution

The fourth proportional to 20,376.30, 30,564.45 and 17,095.80 is: 25,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376.30 : 30,564.45 = 17,095.80 : x
  2. Step 2: Convert to fraction form
    20,376.30/30,564.45 = 17,095.80/x
  3. Step 3: Cross multiply
    20,376.30x = 30,564.45 × 17,095.80
  4. Step 4: Simplify right side
    20,376.30x = 522,523,724.31
  5. Step 5: Solve for x
    x = 522,523,724.31/20,376.30
  6. Step 6: Final answer
    x = 25,643.70

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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.