Home / 17,731.61-26,518.99-15,771.00

Finding the Fourth Proportional to 17,731.61, 26,518.99 and 15,771.00

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Solution

The fourth proportional to 17,731.61, 26,518.99 and 15,771.00 is: 23,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.61 : 26,518.99 = 15,771.00 : x
  2. Step 2: Convert to fraction form
    17,731.61/26,518.99 = 15,771.00/x
  3. Step 3: Cross multiply
    17,731.61x = 26,518.99 × 15,771.00
  4. Step 4: Simplify right side
    17,731.61x = 418,230,885.57
  5. Step 5: Solve for x
    x = 418,230,885.57/17,731.61
  6. Step 6: Final answer
    x = 23,586.74

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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.