Home / 28,543.43-42,818.79-11,018.27

Finding the Fourth Proportional to 28,543.43, 42,818.79 and 11,018.27

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Solution

The fourth proportional to 28,543.43, 42,818.79 and 11,018.27 is: 16,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.43 : 42,818.79 = 11,018.27 : x
  2. Step 2: Convert to fraction form
    28,543.43/42,818.79 = 11,018.27/x
  3. Step 3: Cross multiply
    28,543.43x = 42,818.79 × 11,018.27
  4. Step 4: Simplify right side
    28,543.43x = 471,788,989.29
  5. Step 5: Solve for x
    x = 471,788,989.29/28,543.43
  6. Step 6: Final answer
    x = 16,528.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.