Home / 35,520.90-53,289.68-10,561.15

Finding the Fourth Proportional to 35,520.90, 53,289.68 and 10,561.15

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Solution

The fourth proportional to 35,520.90, 53,289.68 and 10,561.15 is: 15,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520.90 : 53,289.68 = 10,561.15 : x
  2. Step 2: Convert to fraction form
    35,520.90/53,289.68 = 10,561.15/x
  3. Step 3: Cross multiply
    35,520.90x = 53,289.68 × 10,561.15
  4. Step 4: Simplify right side
    35,520.90x = 562,800,251.13
  5. Step 5: Solve for x
    x = 562,800,251.13/35,520.90
  6. Step 6: Final answer
    x = 15,844.20

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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.