Home / 21,356.98-32,056.14-10,271.32

Finding the Fourth Proportional to 21,356.98, 32,056.14 and 10,271.32

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Solution

The fourth proportional to 21,356.98, 32,056.14 and 10,271.32 is: 15,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.98 : 32,056.14 = 10,271.32 : x
  2. Step 2: Convert to fraction form
    21,356.98/32,056.14 = 10,271.32/x
  3. Step 3: Cross multiply
    21,356.98x = 32,056.14 × 10,271.32
  4. Step 4: Simplify right side
    21,356.98x = 329,258,871.90
  5. Step 5: Solve for x
    x = 329,258,871.90/21,356.98
  6. Step 6: Final answer
    x = 15,416.92

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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.