Home / 19,430.93-26,749.83-18,538.24

Finding the Fourth Proportional to 19,430.93, 26,749.83 and 18,538.24

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Solution

The fourth proportional to 19,430.93, 26,749.83 and 18,538.24 is: 25,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.93 : 26,749.83 = 18,538.24 : x
  2. Step 2: Convert to fraction form
    19,430.93/26,749.83 = 18,538.24/x
  3. Step 3: Cross multiply
    19,430.93x = 26,749.83 × 18,538.24
  4. Step 4: Simplify right side
    19,430.93x = 495,894,768.50
  5. Step 5: Solve for x
    x = 495,894,768.50/19,430.93
  6. Step 6: Final answer
    x = 25,520.90

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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.