Home / 27,219.93-40,830.30-9,689.31

Finding the Fourth Proportional to 27,219.93, 40,830.30 and 9,689.31

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Solution

The fourth proportional to 27,219.93, 40,830.30 and 9,689.31 is: 14,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.93 : 40,830.30 = 9,689.31 : x
  2. Step 2: Convert to fraction form
    27,219.93/40,830.30 = 9,689.31/x
  3. Step 3: Cross multiply
    27,219.93x = 40,830.30 × 9,689.31
  4. Step 4: Simplify right side
    27,219.93x = 395,617,434.09
  5. Step 5: Solve for x
    x = 395,617,434.09/27,219.93
  6. Step 6: Final answer
    x = 14,534.11

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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.