Home / 28,445.36-39,252.72-17,112.74

Finding the Fourth Proportional to 28,445.36, 39,252.72 and 17,112.74

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Solution

The fourth proportional to 28,445.36, 39,252.72 and 17,112.74 is: 23,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.36 : 39,252.72 = 17,112.74 : x
  2. Step 2: Convert to fraction form
    28,445.36/39,252.72 = 17,112.74/x
  3. Step 3: Cross multiply
    28,445.36x = 39,252.72 × 17,112.74
  4. Step 4: Simplify right side
    28,445.36x = 671,721,591.65
  5. Step 5: Solve for x
    x = 671,721,591.65/28,445.36
  6. Step 6: Final answer
    x = 23,614.45

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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.