Home / 28,174.96-42,271.35-16,943.23

Finding the Fourth Proportional to 28,174.96, 42,271.35 and 16,943.23

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Solution

The fourth proportional to 28,174.96, 42,271.35 and 16,943.23 is: 25,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174.96 : 42,271.35 = 16,943.23 : x
  2. Step 2: Convert to fraction form
    28,174.96/42,271.35 = 16,943.23/x
  3. Step 3: Cross multiply
    28,174.96x = 42,271.35 × 16,943.23
  4. Step 4: Simplify right side
    28,174.96x = 716,213,205.46
  5. Step 5: Solve for x
    x = 716,213,205.46/28,174.96
  6. Step 6: Final answer
    x = 25,420.20

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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.