Home / 20,341.59-28,052.66-13,956.91

Finding the Fourth Proportional to 20,341.59, 28,052.66 and 13,956.91

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Solution

The fourth proportional to 20,341.59, 28,052.66 and 13,956.91 is: 19,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341.59 : 28,052.66 = 13,956.91 : x
  2. Step 2: Convert to fraction form
    20,341.59/28,052.66 = 13,956.91/x
  3. Step 3: Cross multiply
    20,341.59x = 28,052.66 × 13,956.91
  4. Step 4: Simplify right side
    20,341.59x = 391,528,563.72
  5. Step 5: Solve for x
    x = 391,528,563.72/20,341.59
  6. Step 6: Final answer
    x = 19,247.69

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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.