Home / 21,090.04-31,633.92-10,701.52

Finding the Fourth Proportional to 21,090.04, 31,633.92 and 10,701.52

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Solution

The fourth proportional to 21,090.04, 31,633.92 and 10,701.52 is: 16,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,090.04 : 31,633.92 = 10,701.52 : x
  2. Step 2: Convert to fraction form
    21,090.04/31,633.92 = 10,701.52/x
  3. Step 3: Cross multiply
    21,090.04x = 31,633.92 × 10,701.52
  4. Step 4: Simplify right side
    21,090.04x = 338,531,027.56
  5. Step 5: Solve for x
    x = 338,531,027.56/21,090.04
  6. Step 6: Final answer
    x = 16,051.70

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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.