Home / 28,643.94-39,526.05-16,708.32

Finding the Fourth Proportional to 28,643.94, 39,526.05 and 16,708.32

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Solution

The fourth proportional to 28,643.94, 39,526.05 and 16,708.32 is: 23,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.94 : 39,526.05 = 16,708.32 : x
  2. Step 2: Convert to fraction form
    28,643.94/39,526.05 = 16,708.32/x
  3. Step 3: Cross multiply
    28,643.94x = 39,526.05 × 16,708.32
  4. Step 4: Simplify right side
    28,643.94x = 660,413,891.74
  5. Step 5: Solve for x
    x = 660,413,891.74/28,643.94
  6. Step 6: Final answer
    x = 23,055.97

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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.