Home / 25,969.98-38,991.24-13,328.58

Finding the Fourth Proportional to 25,969.98, 38,991.24 and 13,328.58

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Solution

The fourth proportional to 25,969.98, 38,991.24 and 13,328.58 is: 20,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.98 : 38,991.24 = 13,328.58 : x
  2. Step 2: Convert to fraction form
    25,969.98/38,991.24 = 13,328.58/x
  3. Step 3: Cross multiply
    25,969.98x = 38,991.24 × 13,328.58
  4. Step 4: Simplify right side
    25,969.98x = 519,697,861.64
  5. Step 5: Solve for x
    x = 519,697,861.64/25,969.98
  6. Step 6: Final answer
    x = 20,011.48

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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.