Home / 27,977.40-41,928.84-10,429.56

Finding the Fourth Proportional to 27,977.40, 41,928.84 and 10,429.56

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Solution

The fourth proportional to 27,977.40, 41,928.84 and 10,429.56 is: 15,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,977.40 : 41,928.84 = 10,429.56 : x
  2. Step 2: Convert to fraction form
    27,977.40/41,928.84 = 10,429.56/x
  3. Step 3: Cross multiply
    27,977.40x = 41,928.84 × 10,429.56
  4. Step 4: Simplify right side
    27,977.40x = 437,299,352.51
  5. Step 5: Solve for x
    x = 437,299,352.51/27,977.40
  6. Step 6: Final answer
    x = 15,630.45

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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.