Home / 27,875.08-38,451.54-16,690.60

Finding the Fourth Proportional to 27,875.08, 38,451.54 and 16,690.60

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Solution

The fourth proportional to 27,875.08, 38,451.54 and 16,690.60 is: 23,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.08 : 38,451.54 = 16,690.60 : x
  2. Step 2: Convert to fraction form
    27,875.08/38,451.54 = 16,690.60/x
  3. Step 3: Cross multiply
    27,875.08x = 38,451.54 × 16,690.60
  4. Step 4: Simplify right side
    27,875.08x = 641,779,273.52
  5. Step 5: Solve for x
    x = 641,779,273.52/27,875.08
  6. Step 6: Final answer
    x = 23,023.41

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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.