Home / 28,901.03-39,835.67-19,337.47

Finding the Fourth Proportional to 28,901.03, 39,835.67 and 19,337.47

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Solution

The fourth proportional to 28,901.03, 39,835.67 and 19,337.47 is: 26,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.03 : 39,835.67 = 19,337.47 : x
  2. Step 2: Convert to fraction form
    28,901.03/39,835.67 = 19,337.47/x
  3. Step 3: Cross multiply
    28,901.03x = 39,835.67 × 19,337.47
  4. Step 4: Simplify right side
    28,901.03x = 770,320,877.28
  5. Step 5: Solve for x
    x = 770,320,877.28/28,901.03
  6. Step 6: Final answer
    x = 26,653.76

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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.