Home / 28,578.72-42,791.28-23,292.06

Finding the Fourth Proportional to 28,578.72, 42,791.28 and 23,292.06

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Solution

The fourth proportional to 28,578.72, 42,791.28 and 23,292.06 is: 34,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,578.72 : 42,791.28 = 23,292.06 : x
  2. Step 2: Convert to fraction form
    28,578.72/42,791.28 = 23,292.06/x
  3. Step 3: Cross multiply
    28,578.72x = 42,791.28 × 23,292.06
  4. Step 4: Simplify right side
    28,578.72x = 996,697,061.24
  5. Step 5: Solve for x
    x = 996,697,061.24/28,578.72
  6. Step 6: Final answer
    x = 34,875.50

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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.