Home / 21,815.34-32,673.20-13,032.24

Finding the Fourth Proportional to 21,815.34, 32,673.20 and 13,032.24

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Solution

The fourth proportional to 21,815.34, 32,673.20 and 13,032.24 is: 19,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815.34 : 32,673.20 = 13,032.24 : x
  2. Step 2: Convert to fraction form
    21,815.34/32,673.20 = 13,032.24/x
  3. Step 3: Cross multiply
    21,815.34x = 32,673.20 × 13,032.24
  4. Step 4: Simplify right side
    21,815.34x = 425,804,918.81
  5. Step 5: Solve for x
    x = 425,804,918.81/21,815.34
  6. Step 6: Final answer
    x = 19,518.60

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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.