Home / 28,303.14-42,417.92-11,644.22

Finding the Fourth Proportional to 28,303.14, 42,417.92 and 11,644.22

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Solution

The fourth proportional to 28,303.14, 42,417.92 and 11,644.22 is: 17,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303.14 : 42,417.92 = 11,644.22 : x
  2. Step 2: Convert to fraction form
    28,303.14/42,417.92 = 11,644.22/x
  3. Step 3: Cross multiply
    28,303.14x = 42,417.92 × 11,644.22
  4. Step 4: Simplify right side
    28,303.14x = 493,923,592.42
  5. Step 5: Solve for x
    x = 493,923,592.42/28,303.14
  6. Step 6: Final answer
    x = 17,451.19

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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.