Home / 28,698.78-39,612.58-17,368.32

Finding the Fourth Proportional to 28,698.78, 39,612.58 and 17,368.32

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Solution

The fourth proportional to 28,698.78, 39,612.58 and 17,368.32 is: 23,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.78 : 39,612.58 = 17,368.32 : x
  2. Step 2: Convert to fraction form
    28,698.78/39,612.58 = 17,368.32/x
  3. Step 3: Cross multiply
    28,698.78x = 39,612.58 × 17,368.32
  4. Step 4: Simplify right side
    28,698.78x = 688,003,965.47
  5. Step 5: Solve for x
    x = 688,003,965.47/28,698.78
  6. Step 6: Final answer
    x = 23,973.28

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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.