Home / 27,495-37,944.96-15,558.28

Finding the Fourth Proportional to 27,495, 37,944.96 and 15,558.28

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Solution

The fourth proportional to 27,495, 37,944.96 and 15,558.28 is: 21,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,495 : 37,944.96 = 15,558.28 : x
  2. Step 2: Convert to fraction form
    27,495/37,944.96 = 15,558.28/x
  3. Step 3: Cross multiply
    27,495x = 37,944.96 × 15,558.28
  4. Step 4: Simplify right side
    27,495x = 590,358,312.27
  5. Step 5: Solve for x
    x = 590,358,312.27/27,495
  6. Step 6: Final answer
    x = 21,471.48

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Double scale
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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.