Home / 21,307.62-31,944.96-14,714.76

Finding the Fourth Proportional to 21,307.62, 31,944.96 and 14,714.76

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Solution

The fourth proportional to 21,307.62, 31,944.96 and 14,714.76 is: 22,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,307.62 : 31,944.96 = 14,714.76 : x
  2. Step 2: Convert to fraction form
    21,307.62/31,944.96 = 14,714.76/x
  3. Step 3: Cross multiply
    21,307.62x = 31,944.96 × 14,714.76
  4. Step 4: Simplify right side
    21,307.62x = 470,062,419.61
  5. Step 5: Solve for x
    x = 470,062,419.61/21,307.62
  6. Step 6: Final answer
    x = 22,060.77

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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.