Home / 28,176.93-38,883.92-16,240.01

Finding the Fourth Proportional to 28,176.93, 38,883.92 and 16,240.01

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Solution

The fourth proportional to 28,176.93, 38,883.92 and 16,240.01 is: 22,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.93 : 38,883.92 = 16,240.01 : x
  2. Step 2: Convert to fraction form
    28,176.93/38,883.92 = 16,240.01/x
  3. Step 3: Cross multiply
    28,176.93x = 38,883.92 × 16,240.01
  4. Step 4: Simplify right side
    28,176.93x = 631,474,974.02
  5. Step 5: Solve for x
    x = 631,474,974.02/28,176.93
  6. Step 6: Final answer
    x = 22,411.06

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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.