Home / 28,652.78-39,541.08-16,077.80

Finding the Fourth Proportional to 28,652.78, 39,541.08 and 16,077.80

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Solution

The fourth proportional to 28,652.78, 39,541.08 and 16,077.80 is: 22,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,652.78 : 39,541.08 = 16,077.80 : x
  2. Step 2: Convert to fraction form
    28,652.78/39,541.08 = 16,077.80/x
  3. Step 3: Cross multiply
    28,652.78x = 39,541.08 × 16,077.80
  4. Step 4: Simplify right side
    28,652.78x = 635,733,576.02
  5. Step 5: Solve for x
    x = 635,733,576.02/28,652.78
  6. Step 6: Final answer
    x = 22,187.50

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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.