Home / 28,617.16-39,495.21-18,006.58

Finding the Fourth Proportional to 28,617.16, 39,495.21 and 18,006.58

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Solution

The fourth proportional to 28,617.16, 39,495.21 and 18,006.58 is: 24,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,617.16 : 39,495.21 = 18,006.58 : x
  2. Step 2: Convert to fraction form
    28,617.16/39,495.21 = 18,006.58/x
  3. Step 3: Cross multiply
    28,617.16x = 39,495.21 × 18,006.58
  4. Step 4: Simplify right side
    28,617.16x = 711,173,658.48
  5. Step 5: Solve for x
    x = 711,173,658.48/28,617.16
  6. Step 6: Final answer
    x = 24,851.30

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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.