Home / 39,667.85-54,726.54-25,328.21

Finding the Fourth Proportional to 39,667.85, 54,726.54 and 25,328.21

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Solution

The fourth proportional to 39,667.85, 54,726.54 and 25,328.21 is: 34,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,667.85 : 54,726.54 = 25,328.21 : x
  2. Step 2: Convert to fraction form
    39,667.85/54,726.54 = 25,328.21/x
  3. Step 3: Cross multiply
    39,667.85x = 54,726.54 × 25,328.21
  4. Step 4: Simplify right side
    39,667.85x = 1,386,125,297.69
  5. Step 5: Solve for x
    x = 1,386,125,297.69/39,667.85
  6. Step 6: Final answer
    x = 34,943.29

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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.