Home / 20,493.01-28,283.98-19,558.07

Finding the Fourth Proportional to 20,493.01, 28,283.98 and 19,558.07

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Solution

The fourth proportional to 20,493.01, 28,283.98 and 19,558.07 is: 26,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493.01 : 28,283.98 = 19,558.07 : x
  2. Step 2: Convert to fraction form
    20,493.01/28,283.98 = 19,558.07/x
  3. Step 3: Cross multiply
    20,493.01x = 28,283.98 × 19,558.07
  4. Step 4: Simplify right side
    20,493.01x = 553,180,060.72
  5. Step 5: Solve for x
    x = 553,180,060.72/20,493.01
  6. Step 6: Final answer
    x = 26,993.60

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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.