Home / 19,638.32-29,506.69-18,457.34

Finding the Fourth Proportional to 19,638.32, 29,506.69 and 18,457.34

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Solution

The fourth proportional to 19,638.32, 29,506.69 and 18,457.34 is: 27,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,638.32 : 29,506.69 = 18,457.34 : x
  2. Step 2: Convert to fraction form
    19,638.32/29,506.69 = 18,457.34/x
  3. Step 3: Cross multiply
    19,638.32x = 29,506.69 × 18,457.34
  4. Step 4: Simplify right side
    19,638.32x = 544,615,009.60
  5. Step 5: Solve for x
    x = 544,615,009.60/19,638.32
  6. Step 6: Final answer
    x = 27,732.26

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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.