Home / 19,489.28-26,714.80-19,226.72

Finding the Fourth Proportional to 19,489.28, 26,714.80 and 19,226.72

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Solution

The fourth proportional to 19,489.28, 26,714.80 and 19,226.72 is: 26,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.28 : 26,714.80 = 19,226.72 : x
  2. Step 2: Convert to fraction form
    19,489.28/26,714.80 = 19,226.72/x
  3. Step 3: Cross multiply
    19,489.28x = 26,714.80 × 19,226.72
  4. Step 4: Simplify right side
    19,489.28x = 513,637,979.46
  5. Step 5: Solve for x
    x = 513,637,979.46/19,489.28
  6. Step 6: Final answer
    x = 26,354.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.