Home / 28,435.24-39,240.66-16,501

Finding the Fourth Proportional to 28,435.24, 39,240.66 and 16,501

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Solution

The fourth proportional to 28,435.24, 39,240.66 and 16,501 is: 22,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435.24 : 39,240.66 = 16,501 : x
  2. Step 2: Convert to fraction form
    28,435.24/39,240.66 = 16,501/x
  3. Step 3: Cross multiply
    28,435.24x = 39,240.66 × 16,501
  4. Step 4: Simplify right side
    28,435.24x = 647,510,130.66
  5. Step 5: Solve for x
    x = 647,510,130.66/28,435.24
  6. Step 6: Final answer
    x = 22,771.40

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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.