Home / 28,957.85-40,038.08-25,362.50

Finding the Fourth Proportional to 28,957.85, 40,038.08 and 25,362.50

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Solution

The fourth proportional to 28,957.85, 40,038.08 and 25,362.50 is: 35,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957.85 : 40,038.08 = 25,362.50 : x
  2. Step 2: Convert to fraction form
    28,957.85/40,038.08 = 25,362.50/x
  3. Step 3: Cross multiply
    28,957.85x = 40,038.08 × 25,362.50
  4. Step 4: Simplify right side
    28,957.85x = 1,015,465,572.11
  5. Step 5: Solve for x
    x = 1,015,465,572.11/28,957.85
  6. Step 6: Final answer
    x = 35,067.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.