Home / 16,928.61-25,384.90-5,077.81

Finding the Fourth Proportional to 16,928.61, 25,384.90 and 5,077.81

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Solution

The fourth proportional to 16,928.61, 25,384.90 and 5,077.81 is: 7,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.61 : 25,384.90 = 5,077.81 : x
  2. Step 2: Convert to fraction form
    16,928.61/25,384.90 = 5,077.81/x
  3. Step 3: Cross multiply
    16,928.61x = 25,384.90 × 5,077.81
  4. Step 4: Simplify right side
    16,928.61x = 128,899,699.07
  5. Step 5: Solve for x
    x = 128,899,699.07/16,928.61
  6. Step 6: Final answer
    x = 7,614.31

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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.