Home / 26,430.40-39,645.60-23,838.40

Finding the Fourth Proportional to 26,430.40, 39,645.60 and 23,838.40

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Solution

The fourth proportional to 26,430.40, 39,645.60 and 23,838.40 is: 35,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.40 : 39,645.60 = 23,838.40 : x
  2. Step 2: Convert to fraction form
    26,430.40/39,645.60 = 23,838.40/x
  3. Step 3: Cross multiply
    26,430.40x = 39,645.60 × 23,838.40
  4. Step 4: Simplify right side
    26,430.40x = 945,087,671.04
  5. Step 5: Solve for x
    x = 945,087,671.04/26,430.40
  6. Step 6: Final answer
    x = 35,757.60

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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.