Home / 28,737.36-39,651.62-16,798.40

Finding the Fourth Proportional to 28,737.36, 39,651.62 and 16,798.40

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Solution

The fourth proportional to 28,737.36, 39,651.62 and 16,798.40 is: 23,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.36 : 39,651.62 = 16,798.40 : x
  2. Step 2: Convert to fraction form
    28,737.36/39,651.62 = 16,798.40/x
  3. Step 3: Cross multiply
    28,737.36x = 39,651.62 × 16,798.40
  4. Step 4: Simplify right side
    28,737.36x = 666,083,491.16
  5. Step 5: Solve for x
    x = 666,083,491.16/28,737.36
  6. Step 6: Final answer
    x = 23,178.31

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1.5x scale

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.