Home / 26,887.95-40,128.57-26,188.11

Finding the Fourth Proportional to 26,887.95, 40,128.57 and 26,188.11

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Solution

The fourth proportional to 26,887.95, 40,128.57 and 26,188.11 is: 39,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,887.95 : 40,128.57 = 26,188.11 : x
  2. Step 2: Convert to fraction form
    26,887.95/40,128.57 = 26,188.11/x
  3. Step 3: Cross multiply
    26,887.95x = 40,128.57 × 26,188.11
  4. Step 4: Simplify right side
    26,887.95x = 1,050,891,405.30
  5. Step 5: Solve for x
    x = 1,050,891,405.30/26,887.95
  6. Step 6: Final answer
    x = 39,084.10

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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.