Home / 28,043.70-42,064.64-11,399.27

Finding the Fourth Proportional to 28,043.70, 42,064.64 and 11,399.27

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Solution

The fourth proportional to 28,043.70, 42,064.64 and 11,399.27 is: 17,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.70 : 42,064.64 = 11,399.27 : x
  2. Step 2: Convert to fraction form
    28,043.70/42,064.64 = 11,399.27/x
  3. Step 3: Cross multiply
    28,043.70x = 42,064.64 × 11,399.27
  4. Step 4: Simplify right side
    28,043.70x = 479,506,188.81
  5. Step 5: Solve for x
    x = 479,506,188.81/28,043.70
  6. Step 6: Final answer
    x = 17,098.54

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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.