Home / 20,982.69-31,437.72-14,730.84

Finding the Fourth Proportional to 20,982.69, 31,437.72 and 14,730.84

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Solution

The fourth proportional to 20,982.69, 31,437.72 and 14,730.84 is: 22,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,982.69 : 31,437.72 = 14,730.84 : x
  2. Step 2: Convert to fraction form
    20,982.69/31,437.72 = 14,730.84/x
  3. Step 3: Cross multiply
    20,982.69x = 31,437.72 × 14,730.84
  4. Step 4: Simplify right side
    20,982.69x = 463,104,023.28
  5. Step 5: Solve for x
    x = 463,104,023.28/20,982.69
  6. Step 6: Final answer
    x = 22,070.77

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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.