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Finding the Fourth Proportional to 17,588.64, 26,356.52 and 7,048.20

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Solution

The fourth proportional to 17,588.64, 26,356.52 and 7,048.20 is: 10,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,588.64 : 26,356.52 = 7,048.20 : x
  2. Step 2: Convert to fraction form
    17,588.64/26,356.52 = 7,048.20/x
  3. Step 3: Cross multiply
    17,588.64x = 26,356.52 × 7,048.20
  4. Step 4: Simplify right side
    17,588.64x = 185,766,024.26
  5. Step 5: Solve for x
    x = 185,766,024.26/17,588.64
  6. Step 6: Final answer
    x = 10,561.70

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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.