Home / 27,981.60-41,972.40-9,513.60

Finding the Fourth Proportional to 27,981.60, 41,972.40 and 9,513.60

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Solution

The fourth proportional to 27,981.60, 41,972.40 and 9,513.60 is: 14,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.60 : 41,972.40 = 9,513.60 : x
  2. Step 2: Convert to fraction form
    27,981.60/41,972.40 = 9,513.60/x
  3. Step 3: Cross multiply
    27,981.60x = 41,972.40 × 9,513.60
  4. Step 4: Simplify right side
    27,981.60x = 399,308,624.64
  5. Step 5: Solve for x
    x = 399,308,624.64/27,981.60
  6. Step 6: Final answer
    x = 14,270.40

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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.