Home / 21,525.48-29,719.08-19,283.40

Finding the Fourth Proportional to 21,525.48, 29,719.08 and 19,283.40

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Solution

The fourth proportional to 21,525.48, 29,719.08 and 19,283.40 is: 26,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525.48 : 29,719.08 = 19,283.40 : x
  2. Step 2: Convert to fraction form
    21,525.48/29,719.08 = 19,283.40/x
  3. Step 3: Cross multiply
    21,525.48x = 29,719.08 × 19,283.40
  4. Step 4: Simplify right side
    21,525.48x = 573,084,907.27
  5. Step 5: Solve for x
    x = 573,084,907.27/21,525.48
  6. Step 6: Final answer
    x = 26,623.56

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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.