Home / 26,615.17-39,915.93-7,890.83

Finding the Fourth Proportional to 26,615.17, 39,915.93 and 7,890.83

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Solution

The fourth proportional to 26,615.17, 39,915.93 and 7,890.83 is: 11,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.17 : 39,915.93 = 7,890.83 : x
  2. Step 2: Convert to fraction form
    26,615.17/39,915.93 = 7,890.83/x
  3. Step 3: Cross multiply
    26,615.17x = 39,915.93 × 7,890.83
  4. Step 4: Simplify right side
    26,615.17x = 314,969,618.34
  5. Step 5: Solve for x
    x = 314,969,618.34/26,615.17
  6. Step 6: Final answer
    x = 11,834.22

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1.5x scale

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.