Home / 25,989.02-35,874.06-15,378.63

Finding the Fourth Proportional to 25,989.02, 35,874.06 and 15,378.63

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Solution

The fourth proportional to 25,989.02, 35,874.06 and 15,378.63 is: 21,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989.02 : 35,874.06 = 15,378.63 : x
  2. Step 2: Convert to fraction form
    25,989.02/35,874.06 = 15,378.63/x
  3. Step 3: Cross multiply
    25,989.02x = 35,874.06 × 15,378.63
  4. Step 4: Simplify right side
    25,989.02x = 551,693,703.14
  5. Step 5: Solve for x
    x = 551,693,703.14/25,989.02
  6. Step 6: Final answer
    x = 21,227.95

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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.