Home / 26,390.17-39,580.30-13,239.01

Finding the Fourth Proportional to 26,390.17, 39,580.30 and 13,239.01

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Solution

The fourth proportional to 26,390.17, 39,580.30 and 13,239.01 is: 19,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.17 : 39,580.30 = 13,239.01 : x
  2. Step 2: Convert to fraction form
    26,390.17/39,580.30 = 13,239.01/x
  3. Step 3: Cross multiply
    26,390.17x = 39,580.30 × 13,239.01
  4. Step 4: Simplify right side
    26,390.17x = 524,003,987.50
  5. Step 5: Solve for x
    x = 524,003,987.50/26,390.17
  6. Step 6: Final answer
    x = 19,856.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.