Home / 27,946.40-41,919.60-25,978.10

Finding the Fourth Proportional to 27,946.40, 41,919.60 and 25,978.10

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Solution

The fourth proportional to 27,946.40, 41,919.60 and 25,978.10 is: 38,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946.40 : 41,919.60 = 25,978.10 : x
  2. Step 2: Convert to fraction form
    27,946.40/41,919.60 = 25,978.10/x
  3. Step 3: Cross multiply
    27,946.40x = 41,919.60 × 25,978.10
  4. Step 4: Simplify right side
    27,946.40x = 1,088,991,560.76
  5. Step 5: Solve for x
    x = 1,088,991,560.76/27,946.40
  6. Step 6: Final answer
    x = 38,967.15

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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.