Home / 28,965.56-39,975.83-17,641.70

Finding the Fourth Proportional to 28,965.56, 39,975.83 and 17,641.70

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Solution

The fourth proportional to 28,965.56, 39,975.83 and 17,641.70 is: 24,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965.56 : 39,975.83 = 17,641.70 : x
  2. Step 2: Convert to fraction form
    28,965.56/39,975.83 = 17,641.70/x
  3. Step 3: Cross multiply
    28,965.56x = 39,975.83 × 17,641.70
  4. Step 4: Simplify right side
    28,965.56x = 705,241,312.02
  5. Step 5: Solve for x
    x = 705,241,312.02/28,965.56
  6. Step 6: Final answer
    x = 24,347.58

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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.