Home / 28,423.66-42,635.90-23,152.60

Finding the Fourth Proportional to 28,423.66, 42,635.90 and 23,152.60

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Solution

The fourth proportional to 28,423.66, 42,635.90 and 23,152.60 is: 34,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.66 : 42,635.90 = 23,152.60 : x
  2. Step 2: Convert to fraction form
    28,423.66/42,635.90 = 23,152.60/x
  3. Step 3: Cross multiply
    28,423.66x = 42,635.90 × 23,152.60
  4. Step 4: Simplify right side
    28,423.66x = 987,131,938.34
  5. Step 5: Solve for x
    x = 987,131,938.34/28,423.66
  6. Step 6: Final answer
    x = 34,729.23

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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.