Home / 37,880.26-52,275.04-20,885.11

Finding the Fourth Proportional to 37,880.26, 52,275.04 and 20,885.11

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Solution

The fourth proportional to 37,880.26, 52,275.04 and 20,885.11 is: 28,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,880.26 : 52,275.04 = 20,885.11 : x
  2. Step 2: Convert to fraction form
    37,880.26/52,275.04 = 20,885.11/x
  3. Step 3: Cross multiply
    37,880.26x = 52,275.04 × 20,885.11
  4. Step 4: Simplify right side
    37,880.26x = 1,091,769,777.75
  5. Step 5: Solve for x
    x = 1,091,769,777.75/37,880.26
  6. Step 6: Final answer
    x = 28,821.60

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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.