Home / 28,538.98-42,800.20-11,004.71

Finding the Fourth Proportional to 28,538.98, 42,800.20 and 11,004.71

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Solution

The fourth proportional to 28,538.98, 42,800.20 and 11,004.71 is: 16,503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,538.98 : 42,800.20 = 11,004.71 : x
  2. Step 2: Convert to fraction form
    28,538.98/42,800.20 = 11,004.71/x
  3. Step 3: Cross multiply
    28,538.98x = 42,800.20 × 11,004.71
  4. Step 4: Simplify right side
    28,538.98x = 471,003,547.43
  5. Step 5: Solve for x
    x = 471,003,547.43/28,538.98
  6. Step 6: Final answer
    x = 16,503.87

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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.