Home / 28,048.18-38,705.34-15,472.92

Finding the Fourth Proportional to 28,048.18, 38,705.34 and 15,472.92

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Solution

The fourth proportional to 28,048.18, 38,705.34 and 15,472.92 is: 21,352.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.18 : 38,705.34 = 15,472.92 : x
  2. Step 2: Convert to fraction form
    28,048.18/38,705.34 = 15,472.92/x
  3. Step 3: Cross multiply
    28,048.18x = 38,705.34 × 15,472.92
  4. Step 4: Simplify right side
    28,048.18x = 598,884,629.39
  5. Step 5: Solve for x
    x = 598,884,629.39/28,048.18
  6. Step 6: Final answer
    x = 21,352.00

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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.