Home / 38,602.72-57,930-17,826.40

Finding the Fourth Proportional to 38,602.72, 57,930 and 17,826.40

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Solution

The fourth proportional to 38,602.72, 57,930 and 17,826.40 is: 26,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,602.72 : 57,930 = 17,826.40 : x
  2. Step 2: Convert to fraction form
    38,602.72/57,930 = 17,826.40/x
  3. Step 3: Cross multiply
    38,602.72x = 57,930 × 17,826.40
  4. Step 4: Simplify right side
    38,602.72x = 1,032,683,352.00
  5. Step 5: Solve for x
    x = 1,032,683,352.00/38,602.72
  6. Step 6: Final answer
    x = 26,751.57

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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.