Home / 35,513.70-53,270.55-28,515.30

Finding the Fourth Proportional to 35,513.70, 53,270.55 and 28,515.30

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Solution

The fourth proportional to 35,513.70, 53,270.55 and 28,515.30 is: 42,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,513.70 : 53,270.55 = 28,515.30 : x
  2. Step 2: Convert to fraction form
    35,513.70/53,270.55 = 28,515.30/x
  3. Step 3: Cross multiply
    35,513.70x = 53,270.55 × 28,515.30
  4. Step 4: Simplify right side
    35,513.70x = 1,519,025,714.42
  5. Step 5: Solve for x
    x = 1,519,025,714.42/35,513.70
  6. Step 6: Final answer
    x = 42,772.95

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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.