Home / 28,070.98-38,737.95-16,136.64

Finding the Fourth Proportional to 28,070.98, 38,737.95 and 16,136.64

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Solution

The fourth proportional to 28,070.98, 38,737.95 and 16,136.64 is: 22,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.98 : 38,737.95 = 16,136.64 : x
  2. Step 2: Convert to fraction form
    28,070.98/38,737.95 = 16,136.64/x
  3. Step 3: Cross multiply
    28,070.98x = 38,737.95 × 16,136.64
  4. Step 4: Simplify right side
    28,070.98x = 625,100,292.98
  5. Step 5: Solve for x
    x = 625,100,292.98/28,070.98
  6. Step 6: Final answer
    x = 22,268.56

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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.