Home / 19,474.40-26,884.98-15,603.90

Finding the Fourth Proportional to 19,474.40, 26,884.98 and 15,603.90

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Solution

The fourth proportional to 19,474.40, 26,884.98 and 15,603.90 is: 21,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.40 : 26,884.98 = 15,603.90 : x
  2. Step 2: Convert to fraction form
    19,474.40/26,884.98 = 15,603.90/x
  3. Step 3: Cross multiply
    19,474.40x = 26,884.98 × 15,603.90
  4. Step 4: Simplify right side
    19,474.40x = 419,510,539.42
  5. Step 5: Solve for x
    x = 419,510,539.42/19,474.40
  6. Step 6: Final answer
    x = 21,541.65

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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.