Home / 18,925.52-28,400.03-12,852.95

Finding the Fourth Proportional to 18,925.52, 28,400.03 and 12,852.95

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Solution

The fourth proportional to 18,925.52, 28,400.03 and 12,852.95 is: 19,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.52 : 28,400.03 = 12,852.95 : x
  2. Step 2: Convert to fraction form
    18,925.52/28,400.03 = 12,852.95/x
  3. Step 3: Cross multiply
    18,925.52x = 28,400.03 × 12,852.95
  4. Step 4: Simplify right side
    18,925.52x = 365,024,220.52
  5. Step 5: Solve for x
    x = 365,024,220.52/18,925.52
  6. Step 6: Final answer
    x = 19,287.41

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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.