Home / 21,946.95-32,938.79-19,880.24

Finding the Fourth Proportional to 21,946.95, 32,938.79 and 19,880.24

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Solution

The fourth proportional to 21,946.95, 32,938.79 and 19,880.24 is: 29,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.95 : 32,938.79 = 19,880.24 : x
  2. Step 2: Convert to fraction form
    21,946.95/32,938.79 = 19,880.24/x
  3. Step 3: Cross multiply
    21,946.95x = 32,938.79 × 19,880.24
  4. Step 4: Simplify right side
    21,946.95x = 654,830,786.41
  5. Step 5: Solve for x
    x = 654,830,786.41/21,946.95
  6. Step 6: Final answer
    x = 29,836.98

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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.