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Finding the Fourth Proportional to 17,605.92, 26,345.94 and 15,293.16

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Solution

The fourth proportional to 17,605.92, 26,345.94 and 15,293.16 is: 22,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.92 : 26,345.94 = 15,293.16 : x
  2. Step 2: Convert to fraction form
    17,605.92/26,345.94 = 15,293.16/x
  3. Step 3: Cross multiply
    17,605.92x = 26,345.94 × 15,293.16
  4. Step 4: Simplify right side
    17,605.92x = 402,912,675.77
  5. Step 5: Solve for x
    x = 402,912,675.77/17,605.92
  6. Step 6: Final answer
    x = 22,885.07

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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.