Home / 28,344.16-42,495.40-14,297.28

Finding the Fourth Proportional to 28,344.16, 42,495.40 and 14,297.28

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Solution

The fourth proportional to 28,344.16, 42,495.40 and 14,297.28 is: 21,435.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,344.16 : 42,495.40 = 14,297.28 : x
  2. Step 2: Convert to fraction form
    28,344.16/42,495.40 = 14,297.28/x
  3. Step 3: Cross multiply
    28,344.16x = 42,495.40 × 14,297.28
  4. Step 4: Simplify right side
    28,344.16x = 607,568,632.51
  5. Step 5: Solve for x
    x = 607,568,632.51/28,344.16
  6. Step 6: Final answer
    x = 21,435.41

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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.