Home / 28,723.24-39,637.51-15,975.99

Finding the Fourth Proportional to 28,723.24, 39,637.51 and 15,975.99

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Solution

The fourth proportional to 28,723.24, 39,637.51 and 15,975.99 is: 22,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.24 : 39,637.51 = 15,975.99 : x
  2. Step 2: Convert to fraction form
    28,723.24/39,637.51 = 15,975.99/x
  3. Step 3: Cross multiply
    28,723.24x = 39,637.51 × 15,975.99
  4. Step 4: Simplify right side
    28,723.24x = 633,248,440.75
  5. Step 5: Solve for x
    x = 633,248,440.75/28,723.24
  6. Step 6: Final answer
    x = 22,046.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.