Home / 28,925-39,923.80-16,357.04

Finding the Fourth Proportional to 28,925, 39,923.80 and 16,357.04

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Solution

The fourth proportional to 28,925, 39,923.80 and 16,357.04 is: 22,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925 : 39,923.80 = 16,357.04 : x
  2. Step 2: Convert to fraction form
    28,925/39,923.80 = 16,357.04/x
  3. Step 3: Cross multiply
    28,925x = 39,923.80 × 16,357.04
  4. Step 4: Simplify right side
    28,925x = 653,035,193.55
  5. Step 5: Solve for x
    x = 653,035,193.55/28,925
  6. Step 6: Final answer
    x = 22,576.84

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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.