Home / 28,043.16-38,699.28-16,110.24

Finding the Fourth Proportional to 28,043.16, 38,699.28 and 16,110.24

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Solution

The fourth proportional to 28,043.16, 38,699.28 and 16,110.24 is: 22,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.16 : 38,699.28 = 16,110.24 : x
  2. Step 2: Convert to fraction form
    28,043.16/38,699.28 = 16,110.24/x
  3. Step 3: Cross multiply
    28,043.16x = 38,699.28 × 16,110.24
  4. Step 4: Simplify right side
    28,043.16x = 623,454,688.63
  5. Step 5: Solve for x
    x = 623,454,688.63/28,043.16
  6. Step 6: Final answer
    x = 22,231.97

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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.