Home / 28,559.93-39,412.69-15,984.68

Finding the Fourth Proportional to 28,559.93, 39,412.69 and 15,984.68

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Solution

The fourth proportional to 28,559.93, 39,412.69 and 15,984.68 is: 22,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.93 : 39,412.69 = 15,984.68 : x
  2. Step 2: Convert to fraction form
    28,559.93/39,412.69 = 15,984.68/x
  3. Step 3: Cross multiply
    28,559.93x = 39,412.69 × 15,984.68
  4. Step 4: Simplify right side
    28,559.93x = 629,999,237.59
  5. Step 5: Solve for x
    x = 629,999,237.59/28,559.93
  6. Step 6: Final answer
    x = 22,058.85

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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.