Home / 28,462.72-39,276.24-16,525.12

Finding the Fourth Proportional to 28,462.72, 39,276.24 and 16,525.12

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Solution

The fourth proportional to 28,462.72, 39,276.24 and 16,525.12 is: 22,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.72 : 39,276.24 = 16,525.12 : x
  2. Step 2: Convert to fraction form
    28,462.72/39,276.24 = 16,525.12/x
  3. Step 3: Cross multiply
    28,462.72x = 39,276.24 × 16,525.12
  4. Step 4: Simplify right side
    28,462.72x = 649,044,579.15
  5. Step 5: Solve for x
    x = 649,044,579.15/28,462.72
  6. Step 6: Final answer
    x = 22,803.32

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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.