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Finding the Fourth Proportional to 19,627.98, 27,088.73 and 17,182.99

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Solution

The fourth proportional to 19,627.98, 27,088.73 and 17,182.99 is: 23,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.98 : 27,088.73 = 17,182.99 : x
  2. Step 2: Convert to fraction form
    19,627.98/27,088.73 = 17,182.99/x
  3. Step 3: Cross multiply
    19,627.98x = 27,088.73 × 17,182.99
  4. Step 4: Simplify right side
    19,627.98x = 465,465,236.71
  5. Step 5: Solve for x
    x = 465,465,236.71/19,627.98
  6. Step 6: Final answer
    x = 23,714.37

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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.