Home / 28,237.33-42,359.90-9,522.72

Finding the Fourth Proportional to 28,237.33, 42,359.90 and 9,522.72

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Solution

The fourth proportional to 28,237.33, 42,359.90 and 9,522.72 is: 14,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.33 : 42,359.90 = 9,522.72 : x
  2. Step 2: Convert to fraction form
    28,237.33/42,359.90 = 9,522.72/x
  3. Step 3: Cross multiply
    28,237.33x = 42,359.90 × 9,522.72
  4. Step 4: Simplify right side
    28,237.33x = 403,381,466.93
  5. Step 5: Solve for x
    x = 403,381,466.93/28,237.33
  6. Step 6: Final answer
    x = 14,285.40

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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.