Home / 28,810.56-39,756.90-16,063.32

Finding the Fourth Proportional to 28,810.56, 39,756.90 and 16,063.32

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Solution

The fourth proportional to 28,810.56, 39,756.90 and 16,063.32 is: 22,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810.56 : 39,756.90 = 16,063.32 : x
  2. Step 2: Convert to fraction form
    28,810.56/39,756.90 = 16,063.32/x
  3. Step 3: Cross multiply
    28,810.56x = 39,756.90 × 16,063.32
  4. Step 4: Simplify right side
    28,810.56x = 638,627,806.91
  5. Step 5: Solve for x
    x = 638,627,806.91/28,810.56
  6. Step 6: Final answer
    x = 22,166.45

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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.