Home / 25,461.60-35,137.24-15,396.77

Finding the Fourth Proportional to 25,461.60, 35,137.24 and 15,396.77

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Solution

The fourth proportional to 25,461.60, 35,137.24 and 15,396.77 is: 21,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.60 : 35,137.24 = 15,396.77 : x
  2. Step 2: Convert to fraction form
    25,461.60/35,137.24 = 15,396.77/x
  3. Step 3: Cross multiply
    25,461.60x = 35,137.24 × 15,396.77
  4. Step 4: Simplify right side
    25,461.60x = 540,999,750.04
  5. Step 5: Solve for x
    x = 540,999,750.04/25,461.60
  6. Step 6: Final answer
    x = 21,247.68

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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.