Home / 25,307.46-34,924.12-13,977.70

Finding the Fourth Proportional to 25,307.46, 34,924.12 and 13,977.70

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Solution

The fourth proportional to 25,307.46, 34,924.12 and 13,977.70 is: 19,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.46 : 34,924.12 = 13,977.70 : x
  2. Step 2: Convert to fraction form
    25,307.46/34,924.12 = 13,977.70/x
  3. Step 3: Cross multiply
    25,307.46x = 34,924.12 × 13,977.70
  4. Step 4: Simplify right side
    25,307.46x = 488,158,749.87
  5. Step 5: Solve for x
    x = 488,158,749.87/25,307.46
  6. Step 6: Final answer
    x = 19,289.12

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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.