Home / 35,320.80-52,981.20-9,027.60

Finding the Fourth Proportional to 35,320.80, 52,981.20 and 9,027.60

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Solution

The fourth proportional to 35,320.80, 52,981.20 and 9,027.60 is: 13,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,320.80 : 52,981.20 = 9,027.60 : x
  2. Step 2: Convert to fraction form
    35,320.80/52,981.20 = 9,027.60/x
  3. Step 3: Cross multiply
    35,320.80x = 52,981.20 × 9,027.60
  4. Step 4: Simplify right side
    35,320.80x = 478,293,081.12
  5. Step 5: Solve for x
    x = 478,293,081.12/35,320.80
  6. Step 6: Final answer
    x = 13,541.40

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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.