Home / 37,880.64-52,275.64-20,885.56

Finding the Fourth Proportional to 37,880.64, 52,275.64 and 20,885.56

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Solution

The fourth proportional to 37,880.64, 52,275.64 and 20,885.56 is: 28,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,880.64 : 52,275.64 = 20,885.56 : x
  2. Step 2: Convert to fraction form
    37,880.64/52,275.64 = 20,885.56/x
  3. Step 3: Cross multiply
    37,880.64x = 52,275.64 × 20,885.56
  4. Step 4: Simplify right side
    37,880.64x = 1,091,806,015.76
  5. Step 5: Solve for x
    x = 1,091,806,015.76/37,880.64
  6. Step 6: Final answer
    x = 28,822.27

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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.