Home / 28,662.49-39,567.59-19,118.26

Finding the Fourth Proportional to 28,662.49, 39,567.59 and 19,118.26

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Solution

The fourth proportional to 28,662.49, 39,567.59 and 19,118.26 is: 26,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662.49 : 39,567.59 = 19,118.26 : x
  2. Step 2: Convert to fraction form
    28,662.49/39,567.59 = 19,118.26/x
  3. Step 3: Cross multiply
    28,662.49x = 39,567.59 × 19,118.26
  4. Step 4: Simplify right side
    28,662.49x = 756,463,473.19
  5. Step 5: Solve for x
    x = 756,463,473.19/28,662.49
  6. Step 6: Final answer
    x = 26,392.11

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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.