Home / 28,559.68-39,412.35-15,984.43

Finding the Fourth Proportional to 28,559.68, 39,412.35 and 15,984.43

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Solution

The fourth proportional to 28,559.68, 39,412.35 and 15,984.43 is: 22,058.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.68 : 39,412.35 = 15,984.43 : x
  2. Step 2: Convert to fraction form
    28,559.68/39,412.35 = 15,984.43/x
  3. Step 3: Cross multiply
    28,559.68x = 39,412.35 × 15,984.43
  4. Step 4: Simplify right side
    28,559.68x = 629,983,851.18
  5. Step 5: Solve for x
    x = 629,983,851.18/28,559.68
  6. Step 6: Final answer
    x = 22,058.51

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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.