Home / 27,431.10-37,854.63-14,855.70

Finding the Fourth Proportional to 27,431.10, 37,854.63 and 14,855.70

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Solution

The fourth proportional to 27,431.10, 37,854.63 and 14,855.70 is: 20,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.10 : 37,854.63 = 14,855.70 : x
  2. Step 2: Convert to fraction form
    27,431.10/37,854.63 = 14,855.70/x
  3. Step 3: Cross multiply
    27,431.10x = 37,854.63 × 14,855.70
  4. Step 4: Simplify right side
    27,431.10x = 562,357,026.89
  5. Step 5: Solve for x
    x = 562,357,026.89/27,431.10
  6. Step 6: Final answer
    x = 20,500.71

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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.