Home / 26,628.85-36,749.60-15,302.04

Finding the Fourth Proportional to 26,628.85, 36,749.60 and 15,302.04

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Solution

The fourth proportional to 26,628.85, 36,749.60 and 15,302.04 is: 21,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.85 : 36,749.60 = 15,302.04 : x
  2. Step 2: Convert to fraction form
    26,628.85/36,749.60 = 15,302.04/x
  3. Step 3: Cross multiply
    26,628.85x = 36,749.60 × 15,302.04
  4. Step 4: Simplify right side
    26,628.85x = 562,343,849.18
  5. Step 5: Solve for x
    x = 562,343,849.18/26,628.85
  6. Step 6: Final answer
    x = 21,117.84

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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.