Home / 26,749.49-36,913.05-15,421.01

Finding the Fourth Proportional to 26,749.49, 36,913.05 and 15,421.01

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Solution

The fourth proportional to 26,749.49, 36,913.05 and 15,421.01 is: 21,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.49 : 36,913.05 = 15,421.01 : x
  2. Step 2: Convert to fraction form
    26,749.49/36,913.05 = 15,421.01/x
  3. Step 3: Cross multiply
    26,749.49x = 36,913.05 × 15,421.01
  4. Step 4: Simplify right side
    26,749.49x = 569,236,328.62
  5. Step 5: Solve for x
    x = 569,236,328.62/26,749.49
  6. Step 6: Final answer
    x = 21,280.27

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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.