Home / 43,528.26-65,283.15-13,938.15

Finding the Fourth Proportional to 43,528.26, 65,283.15 and 13,938.15

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Solution

The fourth proportional to 43,528.26, 65,283.15 and 13,938.15 is: 20,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,528.26 : 65,283.15 = 13,938.15 : x
  2. Step 2: Convert to fraction form
    43,528.26/65,283.15 = 13,938.15/x
  3. Step 3: Cross multiply
    43,528.26x = 65,283.15 × 13,938.15
  4. Step 4: Simplify right side
    43,528.26x = 909,926,337.17
  5. Step 5: Solve for x
    x = 909,926,337.17/43,528.26
  6. Step 6: Final answer
    x = 20,904.27

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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.