Home / 19,310.00-28,975.95-10,425.21

Finding the Fourth Proportional to 19,310.00, 28,975.95 and 10,425.21

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Solution

The fourth proportional to 19,310.00, 28,975.95 and 10,425.21 is: 15,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.00 : 28,975.95 = 10,425.21 : x
  2. Step 2: Convert to fraction form
    19,310.00/28,975.95 = 10,425.21/x
  3. Step 3: Cross multiply
    19,310.00x = 28,975.95 × 10,425.21
  4. Step 4: Simplify right side
    19,310.00x = 302,080,528.85
  5. Step 5: Solve for x
    x = 302,080,528.85/19,310.00
  6. Step 6: Final answer
    x = 15,643.73

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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.