Home / 26,025.60-35,918.40-15,415.68

Finding the Fourth Proportional to 26,025.60, 35,918.40 and 15,415.68

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Solution

The fourth proportional to 26,025.60, 35,918.40 and 15,415.68 is: 21,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,025.60 : 35,918.40 = 15,415.68 : x
  2. Step 2: Convert to fraction form
    26,025.60/35,918.40 = 15,415.68/x
  3. Step 3: Cross multiply
    26,025.60x = 35,918.40 × 15,415.68
  4. Step 4: Simplify right side
    26,025.60x = 553,706,560.51
  5. Step 5: Solve for x
    x = 553,706,560.51/26,025.60
  6. Step 6: Final answer
    x = 21,275.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.