Home / 28,749.40-39,673.14-16,002.16

Finding the Fourth Proportional to 28,749.40, 39,673.14 and 16,002.16

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Solution

The fourth proportional to 28,749.40, 39,673.14 and 16,002.16 is: 22,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.40 : 39,673.14 = 16,002.16 : x
  2. Step 2: Convert to fraction form
    28,749.40/39,673.14 = 16,002.16/x
  3. Step 3: Cross multiply
    28,749.40x = 39,673.14 × 16,002.16
  4. Step 4: Simplify right side
    28,749.40x = 634,855,933.98
  5. Step 5: Solve for x
    x = 634,855,933.98/28,749.40
  6. Step 6: Final answer
    x = 22,082.41

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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.