Home / 28,555.86-42,841.05-11,020.98

Finding the Fourth Proportional to 28,555.86, 42,841.05 and 11,020.98

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Solution

The fourth proportional to 28,555.86, 42,841.05 and 11,020.98 is: 16,534.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,555.86 : 42,841.05 = 11,020.98 : x
  2. Step 2: Convert to fraction form
    28,555.86/42,841.05 = 11,020.98/x
  3. Step 3: Cross multiply
    28,555.86x = 42,841.05 × 11,020.98
  4. Step 4: Simplify right side
    28,555.86x = 472,150,355.23
  5. Step 5: Solve for x
    x = 472,150,355.23/28,555.86
  6. Step 6: Final answer
    x = 16,534.27

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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.