Home / 25,896.02-38,855.81-12,561.81

Finding the Fourth Proportional to 25,896.02, 38,855.81 and 12,561.81

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Solution

The fourth proportional to 25,896.02, 38,855.81 and 12,561.81 is: 18,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896.02 : 38,855.81 = 12,561.81 : x
  2. Step 2: Convert to fraction form
    25,896.02/38,855.81 = 12,561.81/x
  3. Step 3: Cross multiply
    25,896.02x = 38,855.81 × 12,561.81
  4. Step 4: Simplify right side
    25,896.02x = 488,099,315.26
  5. Step 5: Solve for x
    x = 488,099,315.26/25,896.02
  6. Step 6: Final answer
    x = 18,848.43

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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.