Home / 26,941.90-37,192.83-20,878.45

Finding the Fourth Proportional to 26,941.90, 37,192.83 and 20,878.45

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Solution

The fourth proportional to 26,941.90, 37,192.83 and 20,878.45 is: 28,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,941.90 : 37,192.83 = 20,878.45 : x
  2. Step 2: Convert to fraction form
    26,941.90/37,192.83 = 20,878.45/x
  3. Step 3: Cross multiply
    26,941.90x = 37,192.83 × 20,878.45
  4. Step 4: Simplify right side
    26,941.90x = 776,528,641.51
  5. Step 5: Solve for x
    x = 776,528,641.51/26,941.90
  6. Step 6: Final answer
    x = 28,822.34

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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.