Home / 28,004.60-42,006.90-25,234.40

Finding the Fourth Proportional to 28,004.60, 42,006.90 and 25,234.40

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Solution

The fourth proportional to 28,004.60, 42,006.90 and 25,234.40 is: 37,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.60 : 42,006.90 = 25,234.40 : x
  2. Step 2: Convert to fraction form
    28,004.60/42,006.90 = 25,234.40/x
  3. Step 3: Cross multiply
    28,004.60x = 42,006.90 × 25,234.40
  4. Step 4: Simplify right side
    28,004.60x = 1,060,018,917.36
  5. Step 5: Solve for x
    x = 1,060,018,917.36/28,004.60
  6. Step 6: Final answer
    x = 37,851.60

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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.