Home / 39,401.08-54,322.95-28,637.09

Finding the Fourth Proportional to 39,401.08, 54,322.95 and 28,637.09

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Solution

The fourth proportional to 39,401.08, 54,322.95 and 28,637.09 is: 39,482.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401.08 : 54,322.95 = 28,637.09 : x
  2. Step 2: Convert to fraction form
    39,401.08/54,322.95 = 28,637.09/x
  3. Step 3: Cross multiply
    39,401.08x = 54,322.95 × 28,637.09
  4. Step 4: Simplify right side
    39,401.08x = 1,555,651,553.27
  5. Step 5: Solve for x
    x = 1,555,651,553.27/39,401.08
  6. Step 6: Final answer
    x = 39,482.46

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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.