Home / 27,657.30-41,499.45-12,858.60

Finding the Fourth Proportional to 27,657.30, 41,499.45 and 12,858.60

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Solution

The fourth proportional to 27,657.30, 41,499.45 and 12,858.60 is: 19,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.30 : 41,499.45 = 12,858.60 : x
  2. Step 2: Convert to fraction form
    27,657.30/41,499.45 = 12,858.60/x
  3. Step 3: Cross multiply
    27,657.30x = 41,499.45 × 12,858.60
  4. Step 4: Simplify right side
    27,657.30x = 533,624,827.77
  5. Step 5: Solve for x
    x = 533,624,827.77/27,657.30
  6. Step 6: Final answer
    x = 19,294.18

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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.