Home / 28,562.69-42,769.51-22,985.57

Finding the Fourth Proportional to 28,562.69, 42,769.51 and 22,985.57

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Solution

The fourth proportional to 28,562.69, 42,769.51 and 22,985.57 is: 34,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562.69 : 42,769.51 = 22,985.57 : x
  2. Step 2: Convert to fraction form
    28,562.69/42,769.51 = 22,985.57/x
  3. Step 3: Cross multiply
    28,562.69x = 42,769.51 × 22,985.57
  4. Step 4: Simplify right side
    28,562.69x = 983,081,565.97
  5. Step 5: Solve for x
    x = 983,081,565.97/28,562.69
  6. Step 6: Final answer
    x = 34,418.38

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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.