Home / 26,628.80-39,890.40-23,345.60

Finding the Fourth Proportional to 26,628.80, 39,890.40 and 23,345.60

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Solution

The fourth proportional to 26,628.80, 39,890.40 and 23,345.60 is: 34,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.80 : 39,890.40 = 23,345.60 : x
  2. Step 2: Convert to fraction form
    26,628.80/39,890.40 = 23,345.60/x
  3. Step 3: Cross multiply
    26,628.80x = 39,890.40 × 23,345.60
  4. Step 4: Simplify right side
    26,628.80x = 931,265,322.24
  5. Step 5: Solve for x
    x = 931,265,322.24/26,628.80
  6. Step 6: Final answer
    x = 34,972.11

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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.