Home / 19,977.93-27,559.35-15,254.01

Finding the Fourth Proportional to 19,977.93, 27,559.35 and 15,254.01

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Solution

The fourth proportional to 19,977.93, 27,559.35 and 15,254.01 is: 21,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.93 : 27,559.35 = 15,254.01 : x
  2. Step 2: Convert to fraction form
    19,977.93/27,559.35 = 15,254.01/x
  3. Step 3: Cross multiply
    19,977.93x = 27,559.35 × 15,254.01
  4. Step 4: Simplify right side
    19,977.93x = 420,390,600.49
  5. Step 5: Solve for x
    x = 420,390,600.49/19,977.93
  6. Step 6: Final answer
    x = 21,042.75

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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.