Home / 21,615.06-29,853.39-14,529.18

Finding the Fourth Proportional to 21,615.06, 29,853.39 and 14,529.18

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Solution

The fourth proportional to 21,615.06, 29,853.39 and 14,529.18 is: 20,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615.06 : 29,853.39 = 14,529.18 : x
  2. Step 2: Convert to fraction form
    21,615.06/29,853.39 = 14,529.18/x
  3. Step 3: Cross multiply
    21,615.06x = 29,853.39 × 14,529.18
  4. Step 4: Simplify right side
    21,615.06x = 433,745,276.92
  5. Step 5: Solve for x
    x = 433,745,276.92/21,615.06
  6. Step 6: Final answer
    x = 20,066.81

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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.