Home / 21,447.64-32,127.18-15,907.24

Finding the Fourth Proportional to 21,447.64, 32,127.18 and 15,907.24

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Solution

The fourth proportional to 21,447.64, 32,127.18 and 15,907.24 is: 23,828.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.64 : 32,127.18 = 15,907.24 : x
  2. Step 2: Convert to fraction form
    21,447.64/32,127.18 = 15,907.24/x
  3. Step 3: Cross multiply
    21,447.64x = 32,127.18 × 15,907.24
  4. Step 4: Simplify right side
    21,447.64x = 511,054,762.78
  5. Step 5: Solve for x
    x = 511,054,762.78/21,447.64
  6. Step 6: Final answer
    x = 23,828.02

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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.