Home / 27,579.56-41,368.86-7,858.28

Finding the Fourth Proportional to 27,579.56, 41,368.86 and 7,858.28

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Solution

The fourth proportional to 27,579.56, 41,368.86 and 7,858.28 is: 11,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.56 : 41,368.86 = 7,858.28 : x
  2. Step 2: Convert to fraction form
    27,579.56/41,368.86 = 7,858.28/x
  3. Step 3: Cross multiply
    27,579.56x = 41,368.86 × 7,858.28
  4. Step 4: Simplify right side
    27,579.56x = 325,088,085.16
  5. Step 5: Solve for x
    x = 325,088,085.16/27,579.56
  6. Step 6: Final answer
    x = 11,787.28

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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.