Home / 20,717.23-28,580.67-14,000.41

Finding the Fourth Proportional to 20,717.23, 28,580.67 and 14,000.41

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Solution

The fourth proportional to 20,717.23, 28,580.67 and 14,000.41 is: 19,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717.23 : 28,580.67 = 14,000.41 : x
  2. Step 2: Convert to fraction form
    20,717.23/28,580.67 = 14,000.41/x
  3. Step 3: Cross multiply
    20,717.23x = 28,580.67 × 14,000.41
  4. Step 4: Simplify right side
    20,717.23x = 400,141,098.07
  5. Step 5: Solve for x
    x = 400,141,098.07/20,717.23
  6. Step 6: Final answer
    x = 19,314.41

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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.