Home / 21,392.26-32,088.36-5,809.90

Finding the Fourth Proportional to 21,392.26, 32,088.36 and 5,809.90

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Solution

The fourth proportional to 21,392.26, 32,088.36 and 5,809.90 is: 8,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392.26 : 32,088.36 = 5,809.90 : x
  2. Step 2: Convert to fraction form
    21,392.26/32,088.36 = 5,809.90/x
  3. Step 3: Cross multiply
    21,392.26x = 32,088.36 × 5,809.90
  4. Step 4: Simplify right side
    21,392.26x = 186,430,162.76
  5. Step 5: Solve for x
    x = 186,430,162.76/21,392.26
  6. Step 6: Final answer
    x = 8,714.84

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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.