Home / 23,498.28-35,244.12-12,987.72

Finding the Fourth Proportional to 23,498.28, 35,244.12 and 12,987.72

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Solution

The fourth proportional to 23,498.28, 35,244.12 and 12,987.72 is: 19,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,498.28 : 35,244.12 = 12,987.72 : x
  2. Step 2: Convert to fraction form
    23,498.28/35,244.12 = 12,987.72/x
  3. Step 3: Cross multiply
    23,498.28x = 35,244.12 × 12,987.72
  4. Step 4: Simplify right side
    23,498.28x = 457,740,762.21
  5. Step 5: Solve for x
    x = 457,740,762.21/23,498.28
  6. Step 6: Final answer
    x = 19,479.76

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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.