Home / 25,990.02-35,875.44-15,379.63

Finding the Fourth Proportional to 25,990.02, 35,875.44 and 15,379.63

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Solution

The fourth proportional to 25,990.02, 35,875.44 and 15,379.63 is: 21,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,990.02 : 35,875.44 = 15,379.63 : x
  2. Step 2: Convert to fraction form
    25,990.02/35,875.44 = 15,379.63/x
  3. Step 3: Cross multiply
    25,990.02x = 35,875.44 × 15,379.63
  4. Step 4: Simplify right side
    25,990.02x = 551,750,993.29
  5. Step 5: Solve for x
    x = 551,750,993.29/25,990.02
  6. Step 6: Final answer
    x = 21,229.34

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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.