Home / 28,484.47-39,256.36-18,907.44

Finding the Fourth Proportional to 28,484.47, 39,256.36 and 18,907.44

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Solution

The fourth proportional to 28,484.47, 39,256.36 and 18,907.44 is: 26,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.47 : 39,256.36 = 18,907.44 : x
  2. Step 2: Convert to fraction form
    28,484.47/39,256.36 = 18,907.44/x
  3. Step 3: Cross multiply
    28,484.47x = 39,256.36 × 18,907.44
  4. Step 4: Simplify right side
    28,484.47x = 742,237,271.32
  5. Step 5: Solve for x
    x = 742,237,271.32/28,484.47
  6. Step 6: Final answer
    x = 26,057.61

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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.