Home / 21,533.07-32,264.40-20,712.94

Finding the Fourth Proportional to 21,533.07, 32,264.40 and 20,712.94

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Solution

The fourth proportional to 21,533.07, 32,264.40 and 20,712.94 is: 31,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533.07 : 32,264.40 = 20,712.94 : x
  2. Step 2: Convert to fraction form
    21,533.07/32,264.40 = 20,712.94/x
  3. Step 3: Cross multiply
    21,533.07x = 32,264.40 × 20,712.94
  4. Step 4: Simplify right side
    21,533.07x = 668,290,610.84
  5. Step 5: Solve for x
    x = 668,290,610.84/21,533.07
  6. Step 6: Final answer
    x = 31,035.55

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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.