Home / 21,775.48-30,033.22-14,603.02

Finding the Fourth Proportional to 21,775.48, 30,033.22 and 14,603.02

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Solution

The fourth proportional to 21,775.48, 30,033.22 and 14,603.02 is: 20,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775.48 : 30,033.22 = 14,603.02 : x
  2. Step 2: Convert to fraction form
    21,775.48/30,033.22 = 14,603.02/x
  3. Step 3: Cross multiply
    21,775.48x = 30,033.22 × 14,603.02
  4. Step 4: Simplify right side
    21,775.48x = 438,575,712.32
  5. Step 5: Solve for x
    x = 438,575,712.32/21,775.48
  6. Step 6: Final answer
    x = 20,140.81

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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.