Home / 19,328.36-28,992.51-5,477.36

Finding the Fourth Proportional to 19,328.36, 28,992.51 and 5,477.36

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Solution

The fourth proportional to 19,328.36, 28,992.51 and 5,477.36 is: 8,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.36 : 28,992.51 = 5,477.36 : x
  2. Step 2: Convert to fraction form
    19,328.36/28,992.51 = 5,477.36/x
  3. Step 3: Cross multiply
    19,328.36x = 28,992.51 × 5,477.36
  4. Step 4: Simplify right side
    19,328.36x = 158,802,269.61
  5. Step 5: Solve for x
    x = 158,802,269.61/19,328.36
  6. Step 6: Final answer
    x = 8,216.03

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1.5x scale

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.