Home / 28,496.03-42,740.69-11,851.74

Finding the Fourth Proportional to 28,496.03, 42,740.69 and 11,851.74

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Solution

The fourth proportional to 28,496.03, 42,740.69 and 11,851.74 is: 17,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,496.03 : 42,740.69 = 11,851.74 : x
  2. Step 2: Convert to fraction form
    28,496.03/42,740.69 = 11,851.74/x
  3. Step 3: Cross multiply
    28,496.03x = 42,740.69 × 11,851.74
  4. Step 4: Simplify right side
    28,496.03x = 506,551,486.04
  5. Step 5: Solve for x
    x = 506,551,486.04/28,496.03
  6. Step 6: Final answer
    x = 17,776.22

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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.