Home / 28,114.36-42,192.27-13,323.22

Finding the Fourth Proportional to 28,114.36, 42,192.27 and 13,323.22

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Solution

The fourth proportional to 28,114.36, 42,192.27 and 13,323.22 is: 19,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.36 : 42,192.27 = 13,323.22 : x
  2. Step 2: Convert to fraction form
    28,114.36/42,192.27 = 13,323.22/x
  3. Step 3: Cross multiply
    28,114.36x = 42,192.27 × 13,323.22
  4. Step 4: Simplify right side
    28,114.36x = 562,136,790.03
  5. Step 5: Solve for x
    x = 562,136,790.03/28,114.36
  6. Step 6: Final answer
    x = 19,994.65

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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.