Home / 28,372.09-42,584.40-14,342.02

Finding the Fourth Proportional to 28,372.09, 42,584.40 and 14,342.02

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Solution

The fourth proportional to 28,372.09, 42,584.40 and 14,342.02 is: 21,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372.09 : 42,584.40 = 14,342.02 : x
  2. Step 2: Convert to fraction form
    28,372.09/42,584.40 = 14,342.02/x
  3. Step 3: Cross multiply
    28,372.09x = 42,584.40 × 14,342.02
  4. Step 4: Simplify right side
    28,372.09x = 610,746,316.49
  5. Step 5: Solve for x
    x = 610,746,316.49/28,372.09
  6. Step 6: Final answer
    x = 21,526.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.