Home / 28,004.96-38,647.72-16,070.48

Finding the Fourth Proportional to 28,004.96, 38,647.72 and 16,070.48

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Solution

The fourth proportional to 28,004.96, 38,647.72 and 16,070.48 is: 22,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.96 : 38,647.72 = 16,070.48 : x
  2. Step 2: Convert to fraction form
    28,004.96/38,647.72 = 16,070.48/x
  3. Step 3: Cross multiply
    28,004.96x = 38,647.72 × 16,070.48
  4. Step 4: Simplify right side
    28,004.96x = 621,087,411.31
  5. Step 5: Solve for x
    x = 621,087,411.31/28,004.96
  6. Step 6: Final answer
    x = 22,177.76

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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.