Home / 28,186.32-38,892.38-16,860.44

Finding the Fourth Proportional to 28,186.32, 38,892.38 and 16,860.44

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Solution

The fourth proportional to 28,186.32, 38,892.38 and 16,860.44 is: 23,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.32 : 38,892.38 = 16,860.44 : x
  2. Step 2: Convert to fraction form
    28,186.32/38,892.38 = 16,860.44/x
  3. Step 3: Cross multiply
    28,186.32x = 38,892.38 × 16,860.44
  4. Step 4: Simplify right side
    28,186.32x = 655,742,639.45
  5. Step 5: Solve for x
    x = 655,742,639.45/28,186.32
  6. Step 6: Final answer
    x = 23,264.57

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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.