Home / 25,320.99-34,944.61-13,990.48

Finding the Fourth Proportional to 25,320.99, 34,944.61 and 13,990.48

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Solution

The fourth proportional to 25,320.99, 34,944.61 and 13,990.48 is: 19,307.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.99 : 34,944.61 = 13,990.48 : x
  2. Step 2: Convert to fraction form
    25,320.99/34,944.61 = 13,990.48/x
  3. Step 3: Cross multiply
    25,320.99x = 34,944.61 × 13,990.48
  4. Step 4: Simplify right side
    25,320.99x = 488,891,941.54
  5. Step 5: Solve for x
    x = 488,891,941.54/25,320.99
  6. Step 6: Final answer
    x = 19,307.77

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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.