Home / 28,600.94-39,381.18-25,408.64

Finding the Fourth Proportional to 28,600.94, 39,381.18 and 25,408.64

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Solution

The fourth proportional to 28,600.94, 39,381.18 and 25,408.64 is: 34,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.94 : 39,381.18 = 25,408.64 : x
  2. Step 2: Convert to fraction form
    28,600.94/39,381.18 = 25,408.64/x
  3. Step 3: Cross multiply
    28,600.94x = 39,381.18 × 25,408.64
  4. Step 4: Simplify right side
    28,600.94x = 1,000,622,225.40
  5. Step 5: Solve for x
    x = 1,000,622,225.40/28,600.94
  6. Step 6: Final answer
    x = 34,985.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.