Home / 26,820.08-37,016.16-15,642.08

Finding the Fourth Proportional to 26,820.08, 37,016.16 and 15,642.08

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Solution

The fourth proportional to 26,820.08, 37,016.16 and 15,642.08 is: 21,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.08 : 37,016.16 = 15,642.08 : x
  2. Step 2: Convert to fraction form
    26,820.08/37,016.16 = 15,642.08/x
  3. Step 3: Cross multiply
    26,820.08x = 37,016.16 × 15,642.08
  4. Step 4: Simplify right side
    26,820.08x = 579,009,736.01
  5. Step 5: Solve for x
    x = 579,009,736.01/26,820.08
  6. Step 6: Final answer
    x = 21,588.67

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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.