Home / 28,628.41-39,507.06-16,053.16

Finding the Fourth Proportional to 28,628.41, 39,507.06 and 16,053.16

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Solution

The fourth proportional to 28,628.41, 39,507.06 and 16,053.16 is: 22,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,628.41 : 39,507.06 = 16,053.16 : x
  2. Step 2: Convert to fraction form
    28,628.41/39,507.06 = 16,053.16/x
  3. Step 3: Cross multiply
    28,628.41x = 39,507.06 × 16,053.16
  4. Step 4: Simplify right side
    28,628.41x = 634,213,155.31
  5. Step 5: Solve for x
    x = 634,213,155.31/28,628.41
  6. Step 6: Final answer
    x = 22,153.28

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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.