Home / 21,384.96-32,077.44-11,528.88

Finding the Fourth Proportional to 21,384.96, 32,077.44 and 11,528.88

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Solution

The fourth proportional to 21,384.96, 32,077.44 and 11,528.88 is: 17,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384.96 : 32,077.44 = 11,528.88 : x
  2. Step 2: Convert to fraction form
    21,384.96/32,077.44 = 11,528.88/x
  3. Step 3: Cross multiply
    21,384.96x = 32,077.44 × 11,528.88
  4. Step 4: Simplify right side
    21,384.96x = 369,816,956.47
  5. Step 5: Solve for x
    x = 369,816,956.47/21,384.96
  6. Step 6: Final answer
    x = 17,293.32

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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.