Home / 21,840.84-32,705.67-14,434.20

Finding the Fourth Proportional to 21,840.84, 32,705.67 and 14,434.20

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Solution

The fourth proportional to 21,840.84, 32,705.67 and 14,434.20 is: 21,614.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840.84 : 32,705.67 = 14,434.20 : x
  2. Step 2: Convert to fraction form
    21,840.84/32,705.67 = 14,434.20/x
  3. Step 3: Cross multiply
    21,840.84x = 32,705.67 × 14,434.20
  4. Step 4: Simplify right side
    21,840.84x = 472,080,236.04
  5. Step 5: Solve for x
    x = 472,080,236.04/21,840.84
  6. Step 6: Final answer
    x = 21,614.56

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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.