Home / 23,987.02-35,990.92-12,880.74

Finding the Fourth Proportional to 23,987.02, 35,990.92 and 12,880.74

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Solution

The fourth proportional to 23,987.02, 35,990.92 and 12,880.74 is: 19,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,987.02 : 35,990.92 = 12,880.74 : x
  2. Step 2: Convert to fraction form
    23,987.02/35,990.92 = 12,880.74/x
  3. Step 3: Cross multiply
    23,987.02x = 35,990.92 × 12,880.74
  4. Step 4: Simplify right side
    23,987.02x = 463,589,682.88
  5. Step 5: Solve for x
    x = 463,589,682.88/23,987.02
  6. Step 6: Final answer
    x = 19,326.69

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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.