Home / 27,585.41-41,349.39-12,782.15

Finding the Fourth Proportional to 27,585.41, 41,349.39 and 12,782.15

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Solution

The fourth proportional to 27,585.41, 41,349.39 and 12,782.15 is: 19,159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.41 : 41,349.39 = 12,782.15 : x
  2. Step 2: Convert to fraction form
    27,585.41/41,349.39 = 12,782.15/x
  3. Step 3: Cross multiply
    27,585.41x = 41,349.39 × 12,782.15
  4. Step 4: Simplify right side
    27,585.41x = 528,534,238.36
  5. Step 5: Solve for x
    x = 528,534,238.36/27,585.41
  6. Step 6: Final answer
    x = 19,159.92

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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.