Home / 28,263.03-42,386.40-11,396.04

Finding the Fourth Proportional to 28,263.03, 42,386.40 and 11,396.04

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Solution

The fourth proportional to 28,263.03, 42,386.40 and 11,396.04 is: 17,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.03 : 42,386.40 = 11,396.04 : x
  2. Step 2: Convert to fraction form
    28,263.03/42,386.40 = 11,396.04/x
  3. Step 3: Cross multiply
    28,263.03x = 42,386.40 × 11,396.04
  4. Step 4: Simplify right side
    28,263.03x = 483,037,109.86
  5. Step 5: Solve for x
    x = 483,037,109.86/28,263.03
  6. Step 6: Final answer
    x = 17,090.78

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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.