Home / 26,615.78-39,948.42-13,477.46

Finding the Fourth Proportional to 26,615.78, 39,948.42 and 13,477.46

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Solution

The fourth proportional to 26,615.78, 39,948.42 and 13,477.46 is: 20,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.78 : 39,948.42 = 13,477.46 : x
  2. Step 2: Convert to fraction form
    26,615.78/39,948.42 = 13,477.46/x
  3. Step 3: Cross multiply
    26,615.78x = 39,948.42 × 13,477.46
  4. Step 4: Simplify right side
    26,615.78x = 538,403,232.61
  5. Step 5: Solve for x
    x = 538,403,232.61/26,615.78
  6. Step 6: Final answer
    x = 20,228.72

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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.