Home / 26,040.16-35,933.10-15,428.08

Finding the Fourth Proportional to 26,040.16, 35,933.10 and 15,428.08

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Solution

The fourth proportional to 26,040.16, 35,933.10 and 15,428.08 is: 21,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,040.16 : 35,933.10 = 15,428.08 : x
  2. Step 2: Convert to fraction form
    26,040.16/35,933.10 = 15,428.08/x
  3. Step 3: Cross multiply
    26,040.16x = 35,933.10 × 15,428.08
  4. Step 4: Simplify right side
    26,040.16x = 554,378,741.45
  5. Step 5: Solve for x
    x = 554,378,741.45/26,040.16
  6. Step 6: Final answer
    x = 21,289.38

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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.