Home / 26,437.18-39,621.54-20,174.08

Finding the Fourth Proportional to 26,437.18, 39,621.54 and 20,174.08

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Solution

The fourth proportional to 26,437.18, 39,621.54 and 20,174.08 is: 30,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,437.18 : 39,621.54 = 20,174.08 : x
  2. Step 2: Convert to fraction form
    26,437.18/39,621.54 = 20,174.08/x
  3. Step 3: Cross multiply
    26,437.18x = 39,621.54 × 20,174.08
  4. Step 4: Simplify right side
    26,437.18x = 799,328,117.68
  5. Step 5: Solve for x
    x = 799,328,117.68/26,437.18
  6. Step 6: Final answer
    x = 30,235.00

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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.