Home / 47,285.44-70,928-14,005.76

Finding the Fourth Proportional to 47,285.44, 70,928 and 14,005.76

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Solution

The fourth proportional to 47,285.44, 70,928 and 14,005.76 is: 21,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,285.44 : 70,928 = 14,005.76 : x
  2. Step 2: Convert to fraction form
    47,285.44/70,928 = 14,005.76/x
  3. Step 3: Cross multiply
    47,285.44x = 70,928 × 14,005.76
  4. Step 4: Simplify right side
    47,285.44x = 993,400,545.28
  5. Step 5: Solve for x
    x = 993,400,545.28/47,285.44
  6. Step 6: Final answer
    x = 21,008.59

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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.