Home / 25,724.64-38,607.48-10,153.20

Finding the Fourth Proportional to 25,724.64, 38,607.48 and 10,153.20

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Solution

The fourth proportional to 25,724.64, 38,607.48 and 10,153.20 is: 15,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,724.64 : 38,607.48 = 10,153.20 : x
  2. Step 2: Convert to fraction form
    25,724.64/38,607.48 = 10,153.20/x
  3. Step 3: Cross multiply
    25,724.64x = 38,607.48 × 10,153.20
  4. Step 4: Simplify right side
    25,724.64x = 391,989,465.94
  5. Step 5: Solve for x
    x = 391,989,465.94/25,724.64
  6. Step 6: Final answer
    x = 15,237.90

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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.