Home / 19,272.16-28,895.48-10,956.09

Finding the Fourth Proportional to 19,272.16, 28,895.48 and 10,956.09

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Solution

The fourth proportional to 19,272.16, 28,895.48 and 10,956.09 is: 16,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272.16 : 28,895.48 = 10,956.09 : x
  2. Step 2: Convert to fraction form
    19,272.16/28,895.48 = 10,956.09/x
  3. Step 3: Cross multiply
    19,272.16x = 28,895.48 × 10,956.09
  4. Step 4: Simplify right side
    19,272.16x = 316,581,479.47
  5. Step 5: Solve for x
    x = 316,581,479.47/19,272.16
  6. Step 6: Final answer
    x = 16,426.88

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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.