Home / 28,466.32-39,295.10-18,395.59

Finding the Fourth Proportional to 28,466.32, 39,295.10 and 18,395.59

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Solution

The fourth proportional to 28,466.32, 39,295.10 and 18,395.59 is: 25,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466.32 : 39,295.10 = 18,395.59 : x
  2. Step 2: Convert to fraction form
    28,466.32/39,295.10 = 18,395.59/x
  3. Step 3: Cross multiply
    28,466.32x = 39,295.10 × 18,395.59
  4. Step 4: Simplify right side
    28,466.32x = 722,856,570.04
  5. Step 5: Solve for x
    x = 722,856,570.04/28,466.32
  6. Step 6: Final answer
    x = 25,393.40

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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.