Home / 28,435.35-42,653.02-15,269.61

Finding the Fourth Proportional to 28,435.35, 42,653.02 and 15,269.61

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Solution

The fourth proportional to 28,435.35, 42,653.02 and 15,269.61 is: 22,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435.35 : 42,653.02 = 15,269.61 : x
  2. Step 2: Convert to fraction form
    28,435.35/42,653.02 = 15,269.61/x
  3. Step 3: Cross multiply
    28,435.35x = 42,653.02 × 15,269.61
  4. Step 4: Simplify right side
    28,435.35x = 651,294,980.72
  5. Step 5: Solve for x
    x = 651,294,980.72/28,435.35
  6. Step 6: Final answer
    x = 22,904.41

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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.