Home / 28,152.47-38,847.30-16,053.35

Finding the Fourth Proportional to 28,152.47, 38,847.30 and 16,053.35

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Solution

The fourth proportional to 28,152.47, 38,847.30 and 16,053.35 is: 22,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152.47 : 38,847.30 = 16,053.35 : x
  2. Step 2: Convert to fraction form
    28,152.47/38,847.30 = 16,053.35/x
  3. Step 3: Cross multiply
    28,152.47x = 38,847.30 × 16,053.35
  4. Step 4: Simplify right side
    28,152.47x = 623,629,109.22
  5. Step 5: Solve for x
    x = 623,629,109.22/28,152.47
  6. Step 6: Final answer
    x = 22,151.85

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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.