Home / 28,848.50-39,814.86-16,916.60

Finding the Fourth Proportional to 28,848.50, 39,814.86 and 16,916.60

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Solution

The fourth proportional to 28,848.50, 39,814.86 and 16,916.60 is: 23,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.50 : 39,814.86 = 16,916.60 : x
  2. Step 2: Convert to fraction form
    28,848.50/39,814.86 = 16,916.60/x
  3. Step 3: Cross multiply
    28,848.50x = 39,814.86 × 16,916.60
  4. Step 4: Simplify right side
    28,848.50x = 673,532,060.68
  5. Step 5: Solve for x
    x = 673,532,060.68/28,848.50
  6. Step 6: Final answer
    x = 23,347.21

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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.