Home / 21,607.32-29,826.36-14,553.84

Finding the Fourth Proportional to 21,607.32, 29,826.36 and 14,553.84

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Solution

The fourth proportional to 21,607.32, 29,826.36 and 14,553.84 is: 20,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,607.32 : 29,826.36 = 14,553.84 : x
  2. Step 2: Convert to fraction form
    21,607.32/29,826.36 = 14,553.84/x
  3. Step 3: Cross multiply
    21,607.32x = 29,826.36 × 14,553.84
  4. Step 4: Simplify right side
    21,607.32x = 434,088,071.22
  5. Step 5: Solve for x
    x = 434,088,071.22/21,607.32
  6. Step 6: Final answer
    x = 20,089.86

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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.