Home / 28,475.90-39,290.09-16,532.04

Finding the Fourth Proportional to 28,475.90, 39,290.09 and 16,532.04

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Solution

The fourth proportional to 28,475.90, 39,290.09 and 16,532.04 is: 22,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,475.90 : 39,290.09 = 16,532.04 : x
  2. Step 2: Convert to fraction form
    28,475.90/39,290.09 = 16,532.04/x
  3. Step 3: Cross multiply
    28,475.90x = 39,290.09 × 16,532.04
  4. Step 4: Simplify right side
    28,475.90x = 649,545,256.82
  5. Step 5: Solve for x
    x = 649,545,256.82/28,475.90
  6. Step 6: Final answer
    x = 22,810.35

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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.