Home / 27,284.60-40,829.70-18,925.40

Finding the Fourth Proportional to 27,284.60, 40,829.70 and 18,925.40

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Solution

The fourth proportional to 27,284.60, 40,829.70 and 18,925.40 is: 28,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,284.60 : 40,829.70 = 18,925.40 : x
  2. Step 2: Convert to fraction form
    27,284.60/40,829.70 = 18,925.40/x
  3. Step 3: Cross multiply
    27,284.60x = 40,829.70 × 18,925.40
  4. Step 4: Simplify right side
    27,284.60x = 772,718,404.38
  5. Step 5: Solve for x
    x = 772,718,404.38/27,284.60
  6. Step 6: Final answer
    x = 28,320.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.