Home / 28,909.04-39,846.74-19,345.52

Finding the Fourth Proportional to 28,909.04, 39,846.74 and 19,345.52

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Solution

The fourth proportional to 28,909.04, 39,846.74 and 19,345.52 is: 26,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.04 : 39,846.74 = 19,345.52 : x
  2. Step 2: Convert to fraction form
    28,909.04/39,846.74 = 19,345.52/x
  3. Step 3: Cross multiply
    28,909.04x = 39,846.74 × 19,345.52
  4. Step 4: Simplify right side
    28,909.04x = 770,855,905.60
  5. Step 5: Solve for x
    x = 770,855,905.60/28,909.04
  6. Step 6: Final answer
    x = 26,664.87

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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.