Home / 28,087.02-38,766.74-16,157.25

Finding the Fourth Proportional to 28,087.02, 38,766.74 and 16,157.25

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Solution

The fourth proportional to 28,087.02, 38,766.74 and 16,157.25 is: 22,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.02 : 38,766.74 = 16,157.25 : x
  2. Step 2: Convert to fraction form
    28,087.02/38,766.74 = 16,157.25/x
  3. Step 3: Cross multiply
    28,087.02x = 38,766.74 × 16,157.25
  4. Step 4: Simplify right side
    28,087.02x = 626,363,829.08
  5. Step 5: Solve for x
    x = 626,363,829.08/28,087.02
  6. Step 6: Final answer
    x = 22,300.83

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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.