Home / 28,582.08-42,699.32-18,504.74

Finding the Fourth Proportional to 28,582.08, 42,699.32 and 18,504.74

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Solution

The fourth proportional to 28,582.08, 42,699.32 and 18,504.74 is: 27,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582.08 : 42,699.32 = 18,504.74 : x
  2. Step 2: Convert to fraction form
    28,582.08/42,699.32 = 18,504.74/x
  3. Step 3: Cross multiply
    28,582.08x = 42,699.32 × 18,504.74
  4. Step 4: Simplify right side
    28,582.08x = 790,139,508.76
  5. Step 5: Solve for x
    x = 790,139,508.76/28,582.08
  6. Step 6: Final answer
    x = 27,644.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.