Home / 28,559.55-39,412.18-15,984.30

Finding the Fourth Proportional to 28,559.55, 39,412.18 and 15,984.30

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Solution

The fourth proportional to 28,559.55, 39,412.18 and 15,984.30 is: 22,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.55 : 39,412.18 = 15,984.30 : x
  2. Step 2: Convert to fraction form
    28,559.55/39,412.18 = 15,984.30/x
  3. Step 3: Cross multiply
    28,559.55x = 39,412.18 × 15,984.30
  4. Step 4: Simplify right side
    28,559.55x = 629,976,108.77
  5. Step 5: Solve for x
    x = 629,976,108.77/28,559.55
  6. Step 6: Final answer
    x = 22,058.33

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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.