Home / 27,518.80-37,956.68-17,312.80

Finding the Fourth Proportional to 27,518.80, 37,956.68 and 17,312.80

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Solution

The fourth proportional to 27,518.80, 37,956.68 and 17,312.80 is: 23,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.80 : 37,956.68 = 17,312.80 : x
  2. Step 2: Convert to fraction form
    27,518.80/37,956.68 = 17,312.80/x
  3. Step 3: Cross multiply
    27,518.80x = 37,956.68 × 17,312.80
  4. Step 4: Simplify right side
    27,518.80x = 657,136,409.50
  5. Step 5: Solve for x
    x = 657,136,409.50/27,518.80
  6. Step 6: Final answer
    x = 23,879.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.