Home / 25,385.40-35,034.12-14,057.55

Finding the Fourth Proportional to 25,385.40, 35,034.12 and 14,057.55

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Solution

The fourth proportional to 25,385.40, 35,034.12 and 14,057.55 is: 19,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.40 : 35,034.12 = 14,057.55 : x
  2. Step 2: Convert to fraction form
    25,385.40/35,034.12 = 14,057.55/x
  3. Step 3: Cross multiply
    25,385.40x = 35,034.12 × 14,057.55
  4. Step 4: Simplify right side
    25,385.40x = 492,493,893.61
  5. Step 5: Solve for x
    x = 492,493,893.61/25,385.40
  6. Step 6: Final answer
    x = 19,400.67

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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.