Home / 19,250.91-28,824.45-12,570.87

Finding the Fourth Proportional to 19,250.91, 28,824.45 and 12,570.87

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Solution

The fourth proportional to 19,250.91, 28,824.45 and 12,570.87 is: 18,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.91 : 28,824.45 = 12,570.87 : x
  2. Step 2: Convert to fraction form
    19,250.91/28,824.45 = 12,570.87/x
  3. Step 3: Cross multiply
    19,250.91x = 28,824.45 × 12,570.87
  4. Step 4: Simplify right side
    19,250.91x = 362,348,413.77
  5. Step 5: Solve for x
    x = 362,348,413.77/19,250.91
  6. Step 6: Final answer
    x = 18,822.40

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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.