Home / 35,031.28-52,528.36-15,286.78

Finding the Fourth Proportional to 35,031.28, 52,528.36 and 15,286.78

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Solution

The fourth proportional to 35,031.28, 52,528.36 and 15,286.78 is: 22,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,031.28 : 52,528.36 = 15,286.78 : x
  2. Step 2: Convert to fraction form
    35,031.28/52,528.36 = 15,286.78/x
  3. Step 3: Cross multiply
    35,031.28x = 52,528.36 × 15,286.78
  4. Step 4: Simplify right side
    35,031.28x = 802,989,483.08
  5. Step 5: Solve for x
    x = 802,989,483.08/35,031.28
  6. Step 6: Final answer
    x = 22,922.07

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1.5x scale

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.