Home / 21,714.65-29,925.26-17,402.84

Finding the Fourth Proportional to 21,714.65, 29,925.26 and 17,402.84

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Solution

The fourth proportional to 21,714.65, 29,925.26 and 17,402.84 is: 23,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,714.65 : 29,925.26 = 17,402.84 : x
  2. Step 2: Convert to fraction form
    21,714.65/29,925.26 = 17,402.84/x
  3. Step 3: Cross multiply
    21,714.65x = 29,925.26 × 17,402.84
  4. Step 4: Simplify right side
    21,714.65x = 520,784,275.10
  5. Step 5: Solve for x
    x = 520,784,275.10/21,714.65
  6. Step 6: Final answer
    x = 23,983.09

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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.