Home / 25,612.02-38,419.26-12,448.74

Finding the Fourth Proportional to 25,612.02, 38,419.26 and 12,448.74

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Solution

The fourth proportional to 25,612.02, 38,419.26 and 12,448.74 is: 18,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.02 : 38,419.26 = 12,448.74 : x
  2. Step 2: Convert to fraction form
    25,612.02/38,419.26 = 12,448.74/x
  3. Step 3: Cross multiply
    25,612.02x = 38,419.26 × 12,448.74
  4. Step 4: Simplify right side
    25,612.02x = 478,271,378.73
  5. Step 5: Solve for x
    x = 478,271,378.73/25,612.02
  6. Step 6: Final answer
    x = 18,673.71

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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.