Home / 28,470.69-42,623.01-16,588.19

Finding the Fourth Proportional to 28,470.69, 42,623.01 and 16,588.19

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Solution

The fourth proportional to 28,470.69, 42,623.01 and 16,588.19 is: 24,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,470.69 : 42,623.01 = 16,588.19 : x
  2. Step 2: Convert to fraction form
    28,470.69/42,623.01 = 16,588.19/x
  3. Step 3: Cross multiply
    28,470.69x = 42,623.01 × 16,588.19
  4. Step 4: Simplify right side
    28,470.69x = 707,038,694.81
  5. Step 5: Solve for x
    x = 707,038,694.81/28,470.69
  6. Step 6: Final answer
    x = 24,833.91

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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.