Home / 28,339.08-42,513.46-11,690.01

Finding the Fourth Proportional to 28,339.08, 42,513.46 and 11,690.01

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Solution

The fourth proportional to 28,339.08, 42,513.46 and 11,690.01 is: 17,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.08 : 42,513.46 = 11,690.01 : x
  2. Step 2: Convert to fraction form
    28,339.08/42,513.46 = 11,690.01/x
  3. Step 3: Cross multiply
    28,339.08x = 42,513.46 × 11,690.01
  4. Step 4: Simplify right side
    28,339.08x = 496,982,683.53
  5. Step 5: Solve for x
    x = 496,982,683.53/28,339.08
  6. Step 6: Final answer
    x = 17,537.01

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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.