Home / 28,697.64-39,602.76-16,122.48

Finding the Fourth Proportional to 28,697.64, 39,602.76 and 16,122.48

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Solution

The fourth proportional to 28,697.64, 39,602.76 and 16,122.48 is: 22,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.64 : 39,602.76 = 16,122.48 : x
  2. Step 2: Convert to fraction form
    28,697.64/39,602.76 = 16,122.48/x
  3. Step 3: Cross multiply
    28,697.64x = 39,602.76 × 16,122.48
  4. Step 4: Simplify right side
    28,697.64x = 638,494,706.04
  5. Step 5: Solve for x
    x = 638,494,706.04/28,697.64
  6. Step 6: Final answer
    x = 22,249.03

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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.