Home / 28,506.80-39,341.31-16,570.10

Finding the Fourth Proportional to 28,506.80, 39,341.31 and 16,570.10

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Solution

The fourth proportional to 28,506.80, 39,341.31 and 16,570.10 is: 22,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.80 : 39,341.31 = 16,570.10 : x
  2. Step 2: Convert to fraction form
    28,506.80/39,341.31 = 16,570.10/x
  3. Step 3: Cross multiply
    28,506.80x = 39,341.31 × 16,570.10
  4. Step 4: Simplify right side
    28,506.80x = 651,889,440.83
  5. Step 5: Solve for x
    x = 651,889,440.83/28,506.80
  6. Step 6: Final answer
    x = 22,867.86

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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.