Home / 25,914.48-38,847.09-10,129.63

Finding the Fourth Proportional to 25,914.48, 38,847.09 and 10,129.63

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Solution

The fourth proportional to 25,914.48, 38,847.09 and 10,129.63 is: 15,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,914.48 : 38,847.09 = 10,129.63 : x
  2. Step 2: Convert to fraction form
    25,914.48/38,847.09 = 10,129.63/x
  3. Step 3: Cross multiply
    25,914.48x = 38,847.09 × 10,129.63
  4. Step 4: Simplify right side
    25,914.48x = 393,506,771.24
  5. Step 5: Solve for x
    x = 393,506,771.24/25,914.48
  6. Step 6: Final answer
    x = 15,184.82

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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.