Home / 28,554.56-39,384.96-17,377.28

Finding the Fourth Proportional to 28,554.56, 39,384.96 and 17,377.28

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Solution

The fourth proportional to 28,554.56, 39,384.96 and 17,377.28 is: 23,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554.56 : 39,384.96 = 17,377.28 : x
  2. Step 2: Convert to fraction form
    28,554.56/39,384.96 = 17,377.28/x
  3. Step 3: Cross multiply
    28,554.56x = 39,384.96 × 17,377.28
  4. Step 4: Simplify right side
    28,554.56x = 684,403,477.71
  5. Step 5: Solve for x
    x = 684,403,477.71/28,554.56
  6. Step 6: Final answer
    x = 23,968.27

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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.