Home / 21,024.63-29,015.96-15,710.22

Finding the Fourth Proportional to 21,024.63, 29,015.96 and 15,710.22

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Solution

The fourth proportional to 21,024.63, 29,015.96 and 15,710.22 is: 21,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.63 : 29,015.96 = 15,710.22 : x
  2. Step 2: Convert to fraction form
    21,024.63/29,015.96 = 15,710.22/x
  3. Step 3: Cross multiply
    21,024.63x = 29,015.96 × 15,710.22
  4. Step 4: Simplify right side
    21,024.63x = 455,847,036.56
  5. Step 5: Solve for x
    x = 455,847,036.56/21,024.63
  6. Step 6: Final answer
    x = 21,681.57

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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.