Home / 26,852.72-37,061.60-15,520.64

Finding the Fourth Proportional to 26,852.72, 37,061.60 and 15,520.64

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Solution

The fourth proportional to 26,852.72, 37,061.60 and 15,520.64 is: 21,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,852.72 : 37,061.60 = 15,520.64 : x
  2. Step 2: Convert to fraction form
    26,852.72/37,061.60 = 15,520.64/x
  3. Step 3: Cross multiply
    26,852.72x = 37,061.60 × 15,520.64
  4. Step 4: Simplify right side
    26,852.72x = 575,219,488.51
  5. Step 5: Solve for x
    x = 575,219,488.51/26,852.72
  6. Step 6: Final answer
    x = 21,421.28

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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.