Home / 25,478.60-35,164.64-14,868.20

Finding the Fourth Proportional to 25,478.60, 35,164.64 and 14,868.20

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Solution

The fourth proportional to 25,478.60, 35,164.64 and 14,868.20 is: 20,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.60 : 35,164.64 = 14,868.20 : x
  2. Step 2: Convert to fraction form
    25,478.60/35,164.64 = 14,868.20/x
  3. Step 3: Cross multiply
    25,478.60x = 35,164.64 × 14,868.20
  4. Step 4: Simplify right side
    25,478.60x = 522,834,650.28
  5. Step 5: Solve for x
    x = 522,834,650.28/25,478.60
  6. Step 6: Final answer
    x = 20,520.54

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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.