Home / 27,343.60-41,015.40-9,815.20

Finding the Fourth Proportional to 27,343.60, 41,015.40 and 9,815.20

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Solution

The fourth proportional to 27,343.60, 41,015.40 and 9,815.20 is: 14,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,343.60 : 41,015.40 = 9,815.20 : x
  2. Step 2: Convert to fraction form
    27,343.60/41,015.40 = 9,815.20/x
  3. Step 3: Cross multiply
    27,343.60x = 41,015.40 × 9,815.20
  4. Step 4: Simplify right side
    27,343.60x = 402,574,354.08
  5. Step 5: Solve for x
    x = 402,574,354.08/27,343.60
  6. Step 6: Final answer
    x = 14,722.80

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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.