Home / 27,315.12-40,928.16-10,656.24

Finding the Fourth Proportional to 27,315.12, 40,928.16 and 10,656.24

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Solution

The fourth proportional to 27,315.12, 40,928.16 and 10,656.24 is: 15,966.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.12 : 40,928.16 = 10,656.24 : x
  2. Step 2: Convert to fraction form
    27,315.12/40,928.16 = 10,656.24/x
  3. Step 3: Cross multiply
    27,315.12x = 40,928.16 × 10,656.24
  4. Step 4: Simplify right side
    27,315.12x = 436,140,295.72
  5. Step 5: Solve for x
    x = 436,140,295.72/27,315.12
  6. Step 6: Final answer
    x = 15,966.99

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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.