Home / 21,948.88-30,303.30-15,232.36

Finding the Fourth Proportional to 21,948.88, 30,303.30 and 15,232.36

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Solution

The fourth proportional to 21,948.88, 30,303.30 and 15,232.36 is: 21,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.88 : 30,303.30 = 15,232.36 : x
  2. Step 2: Convert to fraction form
    21,948.88/30,303.30 = 15,232.36/x
  3. Step 3: Cross multiply
    21,948.88x = 30,303.30 × 15,232.36
  4. Step 4: Simplify right side
    21,948.88x = 461,590,774.79
  5. Step 5: Solve for x
    x = 461,590,774.79/21,948.88
  6. Step 6: Final answer
    x = 21,030.27

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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.