Home / 26,419.89-36,460.58-15,807.48

Finding the Fourth Proportional to 26,419.89, 36,460.58 and 15,807.48

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Solution

The fourth proportional to 26,419.89, 36,460.58 and 15,807.48 is: 21,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.89 : 36,460.58 = 15,807.48 : x
  2. Step 2: Convert to fraction form
    26,419.89/36,460.58 = 15,807.48/x
  3. Step 3: Cross multiply
    26,419.89x = 36,460.58 × 15,807.48
  4. Step 4: Simplify right side
    26,419.89x = 576,349,889.14
  5. Step 5: Solve for x
    x = 576,349,889.14/26,419.89
  6. Step 6: Final answer
    x = 21,815.00

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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.