Home / 28,564.66-39,412.72-18,361.02

Finding the Fourth Proportional to 28,564.66, 39,412.72 and 18,361.02

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Solution

The fourth proportional to 28,564.66, 39,412.72 and 18,361.02 is: 25,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564.66 : 39,412.72 = 18,361.02 : x
  2. Step 2: Convert to fraction form
    28,564.66/39,412.72 = 18,361.02/x
  3. Step 3: Cross multiply
    28,564.66x = 39,412.72 × 18,361.02
  4. Step 4: Simplify right side
    28,564.66x = 723,657,740.17
  5. Step 5: Solve for x
    x = 723,657,740.17/28,564.66
  6. Step 6: Final answer
    x = 25,334.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.