Home / 26,872.77-39,970.84-26,782.86

Finding the Fourth Proportional to 26,872.77, 39,970.84 and 26,782.86

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Solution

The fourth proportional to 26,872.77, 39,970.84 and 26,782.86 is: 39,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.77 : 39,970.84 = 26,782.86 : x
  2. Step 2: Convert to fraction form
    26,872.77/39,970.84 = 26,782.86/x
  3. Step 3: Cross multiply
    26,872.77x = 39,970.84 × 26,782.86
  4. Step 4: Simplify right side
    26,872.77x = 1,070,533,277.89
  5. Step 5: Solve for x
    x = 1,070,533,277.89/26,872.77
  6. Step 6: Final answer
    x = 39,837.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.