Home / 28,477.71-39,317.72-25,488.36

Finding the Fourth Proportional to 28,477.71, 39,317.72 and 25,488.36

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Solution

The fourth proportional to 28,477.71, 39,317.72 and 25,488.36 is: 35,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477.71 : 39,317.72 = 25,488.36 : x
  2. Step 2: Convert to fraction form
    28,477.71/39,317.72 = 25,488.36/x
  3. Step 3: Cross multiply
    28,477.71x = 39,317.72 × 25,488.36
  4. Step 4: Simplify right side
    28,477.71x = 1,002,144,074.30
  5. Step 5: Solve for x
    x = 1,002,144,074.30/28,477.71
  6. Step 6: Final answer
    x = 35,190.47

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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.