Home / 28,042.11-38,677.10-19,544.67

Finding the Fourth Proportional to 28,042.11, 38,677.10 and 19,544.67

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Solution

The fourth proportional to 28,042.11, 38,677.10 and 19,544.67 is: 26,957.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.11 : 38,677.10 = 19,544.67 : x
  2. Step 2: Convert to fraction form
    28,042.11/38,677.10 = 19,544.67/x
  3. Step 3: Cross multiply
    28,042.11x = 38,677.10 × 19,544.67
  4. Step 4: Simplify right side
    28,042.11x = 755,931,058.33
  5. Step 5: Solve for x
    x = 755,931,058.33/28,042.11
  6. Step 6: Final answer
    x = 26,957.00

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Double scale
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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.