Home / 26,218.76-39,329.01-8,688.06

Finding the Fourth Proportional to 26,218.76, 39,329.01 and 8,688.06

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Solution

The fourth proportional to 26,218.76, 39,329.01 and 8,688.06 is: 13,032.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218.76 : 39,329.01 = 8,688.06 : x
  2. Step 2: Convert to fraction form
    26,218.76/39,329.01 = 8,688.06/x
  3. Step 3: Cross multiply
    26,218.76x = 39,329.01 × 8,688.06
  4. Step 4: Simplify right side
    26,218.76x = 341,692,798.62
  5. Step 5: Solve for x
    x = 341,692,798.62/26,218.76
  6. Step 6: Final answer
    x = 13,032.38

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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.