Home / 28,870.16-39,840.52-16,295.44

Finding the Fourth Proportional to 28,870.16, 39,840.52 and 16,295.44

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Solution

The fourth proportional to 28,870.16, 39,840.52 and 16,295.44 is: 22,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.16 : 39,840.52 = 16,295.44 : x
  2. Step 2: Convert to fraction form
    28,870.16/39,840.52 = 16,295.44/x
  3. Step 3: Cross multiply
    28,870.16x = 39,840.52 × 16,295.44
  4. Step 4: Simplify right side
    28,870.16x = 649,218,803.23
  5. Step 5: Solve for x
    x = 649,218,803.23/28,870.16
  6. Step 6: Final answer
    x = 22,487.54

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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.