Home / 25,374.30-38,014.02-21,240.87

Finding the Fourth Proportional to 25,374.30, 38,014.02 and 21,240.87

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Solution

The fourth proportional to 25,374.30, 38,014.02 and 21,240.87 is: 31,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374.30 : 38,014.02 = 21,240.87 : x
  2. Step 2: Convert to fraction form
    25,374.30/38,014.02 = 21,240.87/x
  3. Step 3: Cross multiply
    25,374.30x = 38,014.02 × 21,240.87
  4. Step 4: Simplify right side
    25,374.30x = 807,450,857.00
  5. Step 5: Solve for x
    x = 807,450,857.00/25,374.30
  6. Step 6: Final answer
    x = 31,821.60

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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.