Home / 28,234.08-38,946.74-17,605.26

Finding the Fourth Proportional to 28,234.08, 38,946.74 and 17,605.26

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Solution

The fourth proportional to 28,234.08, 38,946.74 and 17,605.26 is: 24,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,234.08 : 38,946.74 = 17,605.26 : x
  2. Step 2: Convert to fraction form
    28,234.08/38,946.74 = 17,605.26/x
  3. Step 3: Cross multiply
    28,234.08x = 38,946.74 × 17,605.26
  4. Step 4: Simplify right side
    28,234.08x = 685,667,395.83
  5. Step 5: Solve for x
    x = 685,667,395.83/28,234.08
  6. Step 6: Final answer
    x = 24,285.10

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1.5x scale

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.