Home / 19,257.36-28,836-16,501.68

Finding the Fourth Proportional to 19,257.36, 28,836 and 16,501.68

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Solution

The fourth proportional to 19,257.36, 28,836 and 16,501.68 is: 24,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.36 : 28,836 = 16,501.68 : x
  2. Step 2: Convert to fraction form
    19,257.36/28,836 = 16,501.68/x
  3. Step 3: Cross multiply
    19,257.36x = 28,836 × 16,501.68
  4. Step 4: Simplify right side
    19,257.36x = 475,842,444.48
  5. Step 5: Solve for x
    x = 475,842,444.48/19,257.36
  6. Step 6: Final answer
    x = 24,709.64

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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.