Home / 28,727.84-43,098.80-12,089.12

Finding the Fourth Proportional to 28,727.84, 43,098.80 and 12,089.12

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Solution

The fourth proportional to 28,727.84, 43,098.80 and 12,089.12 is: 18,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.84 : 43,098.80 = 12,089.12 : x
  2. Step 2: Convert to fraction form
    28,727.84/43,098.80 = 12,089.12/x
  3. Step 3: Cross multiply
    28,727.84x = 43,098.80 × 12,089.12
  4. Step 4: Simplify right side
    28,727.84x = 521,026,565.06
  5. Step 5: Solve for x
    x = 521,026,565.06/28,727.84
  6. Step 6: Final answer
    x = 18,136.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.