Home / 21,398.58-32,030.62-14,695.83

Finding the Fourth Proportional to 21,398.58, 32,030.62 and 14,695.83

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Solution

The fourth proportional to 21,398.58, 32,030.62 and 14,695.83 is: 21,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,398.58 : 32,030.62 = 14,695.83 : x
  2. Step 2: Convert to fraction form
    21,398.58/32,030.62 = 14,695.83/x
  3. Step 3: Cross multiply
    21,398.58x = 32,030.62 × 14,695.83
  4. Step 4: Simplify right side
    21,398.58x = 470,716,546.31
  5. Step 5: Solve for x
    x = 470,716,546.31/21,398.58
  6. Step 6: Final answer
    x = 21,997.56

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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.