Home / 25,656.01-38,485.09-8,125.45

Finding the Fourth Proportional to 25,656.01, 38,485.09 and 8,125.45

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Solution

The fourth proportional to 25,656.01, 38,485.09 and 8,125.45 is: 12,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,656.01 : 38,485.09 = 8,125.45 : x
  2. Step 2: Convert to fraction form
    25,656.01/38,485.09 = 8,125.45/x
  3. Step 3: Cross multiply
    25,656.01x = 38,485.09 × 8,125.45
  4. Step 4: Simplify right side
    25,656.01x = 312,708,588.48
  5. Step 5: Solve for x
    x = 312,708,588.48/25,656.01
  6. Step 6: Final answer
    x = 12,188.51

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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.