Home / 28,587.84-39,452.40-16,012.68

Finding the Fourth Proportional to 28,587.84, 39,452.40 and 16,012.68

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Solution

The fourth proportional to 28,587.84, 39,452.40 and 16,012.68 is: 22,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.84 : 39,452.40 = 16,012.68 : x
  2. Step 2: Convert to fraction form
    28,587.84/39,452.40 = 16,012.68/x
  3. Step 3: Cross multiply
    28,587.84x = 39,452.40 × 16,012.68
  4. Step 4: Simplify right side
    28,587.84x = 631,738,656.43
  5. Step 5: Solve for x
    x = 631,738,656.43/28,587.84
  6. Step 6: Final answer
    x = 22,098.16

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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.