Home / 25,355.57-34,970.14-19,377.77

Finding the Fourth Proportional to 25,355.57, 34,970.14 and 19,377.77

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Solution

The fourth proportional to 25,355.57, 34,970.14 and 19,377.77 is: 26,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.57 : 34,970.14 = 19,377.77 : x
  2. Step 2: Convert to fraction form
    25,355.57/34,970.14 = 19,377.77/x
  3. Step 3: Cross multiply
    25,355.57x = 34,970.14 × 19,377.77
  4. Step 4: Simplify right side
    25,355.57x = 677,643,329.79
  5. Step 5: Solve for x
    x = 677,643,329.79/25,355.57
  6. Step 6: Final answer
    x = 26,725.62

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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.