Home / 28,241.52-38,973.32-15,666.26

Finding the Fourth Proportional to 28,241.52, 38,973.32 and 15,666.26

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Solution

The fourth proportional to 28,241.52, 38,973.32 and 15,666.26 is: 21,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.52 : 38,973.32 = 15,666.26 : x
  2. Step 2: Convert to fraction form
    28,241.52/38,973.32 = 15,666.26/x
  3. Step 3: Cross multiply
    28,241.52x = 38,973.32 × 15,666.26
  4. Step 4: Simplify right side
    28,241.52x = 610,566,164.18
  5. Step 5: Solve for x
    x = 610,566,164.18/28,241.52
  6. Step 6: Final answer
    x = 21,619.45

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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.