Home / 28,423.98-39,201.84-25,239.60

Finding the Fourth Proportional to 28,423.98, 39,201.84 and 25,239.60

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Solution

The fourth proportional to 28,423.98, 39,201.84 and 25,239.60 is: 34,810.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.98 : 39,201.84 = 25,239.60 : x
  2. Step 2: Convert to fraction form
    28,423.98/39,201.84 = 25,239.60/x
  3. Step 3: Cross multiply
    28,423.98x = 39,201.84 × 25,239.60
  4. Step 4: Simplify right side
    28,423.98x = 989,438,760.86
  5. Step 5: Solve for x
    x = 989,438,760.86/28,423.98
  6. Step 6: Final answer
    x = 34,810.00

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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.