Home / 27,431.60-37,855.32-14,856.20

Finding the Fourth Proportional to 27,431.60, 37,855.32 and 14,856.20

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Solution

The fourth proportional to 27,431.60, 37,855.32 and 14,856.20 is: 20,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.60 : 37,855.32 = 14,856.20 : x
  2. Step 2: Convert to fraction form
    27,431.60/37,855.32 = 14,856.20/x
  3. Step 3: Cross multiply
    27,431.60x = 37,855.32 × 14,856.20
  4. Step 4: Simplify right side
    27,431.60x = 562,386,204.98
  5. Step 5: Solve for x
    x = 562,386,204.98/27,431.60
  6. Step 6: Final answer
    x = 20,501.40

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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.