Home / 28,117.44-38,802.12-16,180.53

Finding the Fourth Proportional to 28,117.44, 38,802.12 and 16,180.53

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Solution

The fourth proportional to 28,117.44, 38,802.12 and 16,180.53 is: 22,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117.44 : 38,802.12 = 16,180.53 : x
  2. Step 2: Convert to fraction form
    28,117.44/38,802.12 = 16,180.53/x
  3. Step 3: Cross multiply
    28,117.44x = 38,802.12 × 16,180.53
  4. Step 4: Simplify right side
    28,117.44x = 627,838,866.72
  5. Step 5: Solve for x
    x = 627,838,866.72/28,117.44
  6. Step 6: Final answer
    x = 22,329.16

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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.