Home / 27,345.30-41,012.55-13,305.30

Finding the Fourth Proportional to 27,345.30, 41,012.55 and 13,305.30

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Solution

The fourth proportional to 27,345.30, 41,012.55 and 13,305.30 is: 19,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,345.30 : 41,012.55 = 13,305.30 : x
  2. Step 2: Convert to fraction form
    27,345.30/41,012.55 = 13,305.30/x
  3. Step 3: Cross multiply
    27,345.30x = 41,012.55 × 13,305.30
  4. Step 4: Simplify right side
    27,345.30x = 545,684,281.52
  5. Step 5: Solve for x
    x = 545,684,281.52/27,345.30
  6. Step 6: Final answer
    x = 19,955.32

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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.