Home / 26,866.40-40,293.48-10,220.48

Finding the Fourth Proportional to 26,866.40, 40,293.48 and 10,220.48

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Solution

The fourth proportional to 26,866.40, 40,293.48 and 10,220.48 is: 15,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,866.40 : 40,293.48 = 10,220.48 : x
  2. Step 2: Convert to fraction form
    26,866.40/40,293.48 = 10,220.48/x
  3. Step 3: Cross multiply
    26,866.40x = 40,293.48 × 10,220.48
  4. Step 4: Simplify right side
    26,866.40x = 411,818,706.47
  5. Step 5: Solve for x
    x = 411,818,706.47/26,866.40
  6. Step 6: Final answer
    x = 15,328.39

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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.