Home / 28,667.94-42,890.64-25,131.34

Finding the Fourth Proportional to 28,667.94, 42,890.64 and 25,131.34

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Solution

The fourth proportional to 28,667.94, 42,890.64 and 25,131.34 is: 37,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,667.94 : 42,890.64 = 25,131.34 : x
  2. Step 2: Convert to fraction form
    28,667.94/42,890.64 = 25,131.34/x
  3. Step 3: Cross multiply
    28,667.94x = 42,890.64 × 25,131.34
  4. Step 4: Simplify right side
    28,667.94x = 1,077,899,256.66
  5. Step 5: Solve for x
    x = 1,077,899,256.66/28,667.94
  6. Step 6: Final answer
    x = 37,599.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.