Home / 19,038.06-28,540.65-7,359.48

Finding the Fourth Proportional to 19,038.06, 28,540.65 and 7,359.48

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Solution

The fourth proportional to 19,038.06, 28,540.65 and 7,359.48 is: 11,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.06 : 28,540.65 = 7,359.48 : x
  2. Step 2: Convert to fraction form
    19,038.06/28,540.65 = 7,359.48/x
  3. Step 3: Cross multiply
    19,038.06x = 28,540.65 × 7,359.48
  4. Step 4: Simplify right side
    19,038.06x = 210,044,342.86
  5. Step 5: Solve for x
    x = 210,044,342.86/19,038.06
  6. Step 6: Final answer
    x = 11,032.86

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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.