Home / 28,071.60-38,740.26-16,136.04

Finding the Fourth Proportional to 28,071.60, 38,740.26 and 16,136.04

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Solution

The fourth proportional to 28,071.60, 38,740.26 and 16,136.04 is: 22,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071.60 : 38,740.26 = 16,136.04 : x
  2. Step 2: Convert to fraction form
    28,071.60/38,740.26 = 16,136.04/x
  3. Step 3: Cross multiply
    28,071.60x = 38,740.26 × 16,136.04
  4. Step 4: Simplify right side
    28,071.60x = 625,114,384.97
  5. Step 5: Solve for x
    x = 625,114,384.97/28,071.60
  6. Step 6: Final answer
    x = 22,268.57

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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.