Home / 34,743.40-47,915.76-28,026.88

Finding the Fourth Proportional to 34,743.40, 47,915.76 and 28,026.88

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Solution

The fourth proportional to 34,743.40, 47,915.76 and 28,026.88 is: 38,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,743.40 : 47,915.76 = 28,026.88 : x
  2. Step 2: Convert to fraction form
    34,743.40/47,915.76 = 28,026.88/x
  3. Step 3: Cross multiply
    34,743.40x = 47,915.76 × 28,026.88
  4. Step 4: Simplify right side
    34,743.40x = 1,342,929,255.63
  5. Step 5: Solve for x
    x = 1,342,929,255.63/34,743.40
  6. Step 6: Final answer
    x = 38,652.79

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1.5x scale

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.