Home / 25,558.24-38,359.36-9,986.80

Finding the Fourth Proportional to 25,558.24, 38,359.36 and 9,986.80

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Solution

The fourth proportional to 25,558.24, 38,359.36 and 9,986.80 is: 14,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.24 : 38,359.36 = 9,986.80 : x
  2. Step 2: Convert to fraction form
    25,558.24/38,359.36 = 9,986.80/x
  3. Step 3: Cross multiply
    25,558.24x = 38,359.36 × 9,986.80
  4. Step 4: Simplify right side
    25,558.24x = 383,087,256.45
  5. Step 5: Solve for x
    x = 383,087,256.45/25,558.24
  6. Step 6: Final answer
    x = 14,988.80

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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.