Home / 28,522.48-39,354.84-15,946.80

Finding the Fourth Proportional to 28,522.48, 39,354.84 and 15,946.80

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Solution

The fourth proportional to 28,522.48, 39,354.84 and 15,946.80 is: 22,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522.48 : 39,354.84 = 15,946.80 : x
  2. Step 2: Convert to fraction form
    28,522.48/39,354.84 = 15,946.80/x
  3. Step 3: Cross multiply
    28,522.48x = 39,354.84 × 15,946.80
  4. Step 4: Simplify right side
    28,522.48x = 627,583,762.51
  5. Step 5: Solve for x
    x = 627,583,762.51/28,522.48
  6. Step 6: Final answer
    x = 22,003.13

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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.