Home / 28,384.22-39,207.21-23,026.57

Finding the Fourth Proportional to 28,384.22, 39,207.21 and 23,026.57

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Solution

The fourth proportional to 28,384.22, 39,207.21 and 23,026.57 is: 31,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384.22 : 39,207.21 = 23,026.57 : x
  2. Step 2: Convert to fraction form
    28,384.22/39,207.21 = 23,026.57/x
  3. Step 3: Cross multiply
    28,384.22x = 39,207.21 × 23,026.57
  4. Step 4: Simplify right side
    28,384.22x = 902,807,565.57
  5. Step 5: Solve for x
    x = 902,807,565.57/28,384.22
  6. Step 6: Final answer
    x = 31,806.67

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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.