Home / 31,886.40-47,829.60-25,276.80

Finding the Fourth Proportional to 31,886.40, 47,829.60 and 25,276.80

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Solution

The fourth proportional to 31,886.40, 47,829.60 and 25,276.80 is: 37,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,886.40 : 47,829.60 = 25,276.80 : x
  2. Step 2: Convert to fraction form
    31,886.40/47,829.60 = 25,276.80/x
  3. Step 3: Cross multiply
    31,886.40x = 47,829.60 × 25,276.80
  4. Step 4: Simplify right side
    31,886.40x = 1,208,979,233.28
  5. Step 5: Solve for x
    x = 1,208,979,233.28/31,886.40
  6. Step 6: Final answer
    x = 37,915.20

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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.