Home / 26,430.96-39,645.68-10,631.10

Finding the Fourth Proportional to 26,430.96, 39,645.68 and 10,631.10

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Solution

The fourth proportional to 26,430.96, 39,645.68 and 10,631.10 is: 15,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.96 : 39,645.68 = 10,631.10 : x
  2. Step 2: Convert to fraction form
    26,430.96/39,645.68 = 10,631.10/x
  3. Step 3: Cross multiply
    26,430.96x = 39,645.68 × 10,631.10
  4. Step 4: Simplify right side
    26,430.96x = 421,477,135.49
  5. Step 5: Solve for x
    x = 421,477,135.49/26,430.96
  6. Step 6: Final answer
    x = 15,946.34

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Similar ratio
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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.