Home / 43,915.75-65,881.95-17,622.57

Finding the Fourth Proportional to 43,915.75, 65,881.95 and 17,622.57

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Solution

The fourth proportional to 43,915.75, 65,881.95 and 17,622.57 is: 26,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,915.75 : 65,881.95 = 17,622.57 : x
  2. Step 2: Convert to fraction form
    43,915.75/65,881.95 = 17,622.57/x
  3. Step 3: Cross multiply
    43,915.75x = 65,881.95 × 17,622.57
  4. Step 4: Simplify right side
    43,915.75x = 1,161,009,275.61
  5. Step 5: Solve for x
    x = 1,161,009,275.61/43,915.75
  6. Step 6: Final answer
    x = 26,437.20

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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.