Home / 26,035.40-35,928.90-15,430.28

Finding the Fourth Proportional to 26,035.40, 35,928.90 and 15,430.28

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Solution

The fourth proportional to 26,035.40, 35,928.90 and 15,430.28 is: 21,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,035.40 : 35,928.90 = 15,430.28 : x
  2. Step 2: Convert to fraction form
    26,035.40/35,928.90 = 15,430.28/x
  3. Step 3: Cross multiply
    26,035.40x = 35,928.90 × 15,430.28
  4. Step 4: Simplify right side
    26,035.40x = 554,392,987.09
  5. Step 5: Solve for x
    x = 554,392,987.09/26,035.40
  6. Step 6: Final answer
    x = 21,293.81

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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.