Home / 28,181.93-38,887.27-16,852.64

Finding the Fourth Proportional to 28,181.93, 38,887.27 and 16,852.64

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Solution

The fourth proportional to 28,181.93, 38,887.27 and 16,852.64 is: 23,254.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.93 : 38,887.27 = 16,852.64 : x
  2. Step 2: Convert to fraction form
    28,181.93/38,887.27 = 16,852.64/x
  3. Step 3: Cross multiply
    28,181.93x = 38,887.27 × 16,852.64
  4. Step 4: Simplify right side
    28,181.93x = 655,352,925.32
  5. Step 5: Solve for x
    x = 655,352,925.32/28,181.93
  6. Step 6: Final answer
    x = 23,254.37

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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.