Home / 26,492.81-39,749.40-11,691.27

Finding the Fourth Proportional to 26,492.81, 39,749.40 and 11,691.27

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Solution

The fourth proportional to 26,492.81, 39,749.40 and 11,691.27 is: 17,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,492.81 : 39,749.40 = 11,691.27 : x
  2. Step 2: Convert to fraction form
    26,492.81/39,749.40 = 11,691.27/x
  3. Step 3: Cross multiply
    26,492.81x = 39,749.40 × 11,691.27
  4. Step 4: Simplify right side
    26,492.81x = 464,720,967.74
  5. Step 5: Solve for x
    x = 464,720,967.74/26,492.81
  6. Step 6: Final answer
    x = 17,541.40

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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.