Home / 27,125.63-40,686.14-8,405.26

Finding the Fourth Proportional to 27,125.63, 40,686.14 and 8,405.26

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Solution

The fourth proportional to 27,125.63, 40,686.14 and 8,405.26 is: 12,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.63 : 40,686.14 = 8,405.26 : x
  2. Step 2: Convert to fraction form
    27,125.63/40,686.14 = 8,405.26/x
  3. Step 3: Cross multiply
    27,125.63x = 40,686.14 × 8,405.26
  4. Step 4: Simplify right side
    27,125.63x = 341,977,467.86
  5. Step 5: Solve for x
    x = 341,977,467.86/27,125.63
  6. Step 6: Final answer
    x = 12,607.17

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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.