Home / 28,965.31-39,975.48-17,641.45

Finding the Fourth Proportional to 28,965.31, 39,975.48 and 17,641.45

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Solution

The fourth proportional to 28,965.31, 39,975.48 and 17,641.45 is: 24,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965.31 : 39,975.48 = 17,641.45 : x
  2. Step 2: Convert to fraction form
    28,965.31/39,975.48 = 17,641.45/x
  3. Step 3: Cross multiply
    28,965.31x = 39,975.48 × 17,641.45
  4. Step 4: Simplify right side
    28,965.31x = 705,225,231.77
  5. Step 5: Solve for x
    x = 705,225,231.77/28,965.31
  6. Step 6: Final answer
    x = 24,347.24

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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.