Home / 25,667.87-35,411.90-16,103.70

Finding the Fourth Proportional to 25,667.87, 35,411.90 and 16,103.70

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Solution

The fourth proportional to 25,667.87, 35,411.90 and 16,103.70 is: 22,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.87 : 35,411.90 = 16,103.70 : x
  2. Step 2: Convert to fraction form
    25,667.87/35,411.90 = 16,103.70/x
  3. Step 3: Cross multiply
    25,667.87x = 35,411.90 × 16,103.70
  4. Step 4: Simplify right side
    25,667.87x = 570,262,533.51
  5. Step 5: Solve for x
    x = 570,262,533.51/25,667.87
  6. Step 6: Final answer
    x = 22,216.98

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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.