Home / 28,117.17-38,803.37-16,180.25

Finding the Fourth Proportional to 28,117.17, 38,803.37 and 16,180.25

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Solution

The fourth proportional to 28,117.17, 38,803.37 and 16,180.25 is: 22,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117.17 : 38,803.37 = 16,180.25 : x
  2. Step 2: Convert to fraction form
    28,117.17/38,803.37 = 16,180.25/x
  3. Step 3: Cross multiply
    28,117.17x = 38,803.37 × 16,180.25
  4. Step 4: Simplify right side
    28,117.17x = 627,847,952.52
  5. Step 5: Solve for x
    x = 627,847,952.52/28,117.17
  6. Step 6: Final answer
    x = 22,329.70

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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.