Home / 28,072.47-38,741.46-16,136.91

Finding the Fourth Proportional to 28,072.47, 38,741.46 and 16,136.91

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Solution

The fourth proportional to 28,072.47, 38,741.46 and 16,136.91 is: 22,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.47 : 38,741.46 = 16,136.91 : x
  2. Step 2: Convert to fraction form
    28,072.47/38,741.46 = 16,136.91/x
  3. Step 3: Cross multiply
    28,072.47x = 38,741.46 × 16,136.91
  4. Step 4: Simplify right side
    28,072.47x = 625,167,453.29
  5. Step 5: Solve for x
    x = 625,167,453.29/28,072.47
  6. Step 6: Final answer
    x = 22,269.77

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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.