Home / 20,806.17-28,750.55-14,827.46

Finding the Fourth Proportional to 20,806.17, 28,750.55 and 14,827.46

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Solution

The fourth proportional to 20,806.17, 28,750.55 and 14,827.46 is: 20,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,806.17 : 28,750.55 = 14,827.46 : x
  2. Step 2: Convert to fraction form
    20,806.17/28,750.55 = 14,827.46/x
  3. Step 3: Cross multiply
    20,806.17x = 28,750.55 × 14,827.46
  4. Step 4: Simplify right side
    20,806.17x = 426,297,412.21
  5. Step 5: Solve for x
    x = 426,297,412.21/20,806.17
  6. Step 6: Final answer
    x = 20,488.99

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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.