Home / 37,885.36-52,281.92-20,657.60

Finding the Fourth Proportional to 37,885.36, 52,281.92 and 20,657.60

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Solution

The fourth proportional to 37,885.36, 52,281.92 and 20,657.60 is: 28,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,885.36 : 52,281.92 = 20,657.60 : x
  2. Step 2: Convert to fraction form
    37,885.36/52,281.92 = 20,657.60/x
  3. Step 3: Cross multiply
    37,885.36x = 52,281.92 × 20,657.60
  4. Step 4: Simplify right side
    37,885.36x = 1,080,018,990.59
  5. Step 5: Solve for x
    x = 1,080,018,990.59/37,885.36
  6. Step 6: Final answer
    x = 28,507.56

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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.