Home / 27,581.52-41,378.72-7,860.32

Finding the Fourth Proportional to 27,581.52, 41,378.72 and 7,860.32

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Solution

The fourth proportional to 27,581.52, 41,378.72 and 7,860.32 is: 11,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.52 : 41,378.72 = 7,860.32 : x
  2. Step 2: Convert to fraction form
    27,581.52/41,378.72 = 7,860.32/x
  3. Step 3: Cross multiply
    27,581.52x = 41,378.72 × 7,860.32
  4. Step 4: Simplify right side
    27,581.52x = 325,249,980.39
  5. Step 5: Solve for x
    x = 325,249,980.39/27,581.52
  6. Step 6: Final answer
    x = 11,792.32

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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.