Home / 28,898.98-39,881.37-16,323.46

Finding the Fourth Proportional to 28,898.98, 39,881.37 and 16,323.46

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Solution

The fourth proportional to 28,898.98, 39,881.37 and 16,323.46 is: 22,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.98 : 39,881.37 = 16,323.46 : x
  2. Step 2: Convert to fraction form
    28,898.98/39,881.37 = 16,323.46/x
  3. Step 3: Cross multiply
    28,898.98x = 39,881.37 × 16,323.46
  4. Step 4: Simplify right side
    28,898.98x = 651,001,947.94
  5. Step 5: Solve for x
    x = 651,001,947.94/28,898.98
  6. Step 6: Final answer
    x = 22,526.81

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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.