Home / 21,352.44-29,457.90-14,267.64

Finding the Fourth Proportional to 21,352.44, 29,457.90 and 14,267.64

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Solution

The fourth proportional to 21,352.44, 29,457.90 and 14,267.64 is: 19,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.44 : 29,457.90 = 14,267.64 : x
  2. Step 2: Convert to fraction form
    21,352.44/29,457.90 = 14,267.64/x
  3. Step 3: Cross multiply
    21,352.44x = 29,457.90 × 14,267.64
  4. Step 4: Simplify right side
    21,352.44x = 420,294,712.36
  5. Step 5: Solve for x
    x = 420,294,712.36/21,352.44
  6. Step 6: Final answer
    x = 19,683.69

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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.