Home / 23,640.09-35,459.99-13,638.36

Finding the Fourth Proportional to 23,640.09, 35,459.99 and 13,638.36

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Solution

The fourth proportional to 23,640.09, 35,459.99 and 13,638.36 is: 20,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,640.09 : 35,459.99 = 13,638.36 : x
  2. Step 2: Convert to fraction form
    23,640.09/35,459.99 = 13,638.36/x
  3. Step 3: Cross multiply
    23,640.09x = 35,459.99 × 13,638.36
  4. Step 4: Simplify right side
    23,640.09x = 483,616,109.22
  5. Step 5: Solve for x
    x = 483,616,109.22/23,640.09
  6. Step 6: Final answer
    x = 20,457.46

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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.