Home / 26,442.16-36,491.28-15,829.72

Finding the Fourth Proportional to 26,442.16, 36,491.28 and 15,829.72

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Solution

The fourth proportional to 26,442.16, 36,491.28 and 15,829.72 is: 21,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.16 : 36,491.28 = 15,829.72 : x
  2. Step 2: Convert to fraction form
    26,442.16/36,491.28 = 15,829.72/x
  3. Step 3: Cross multiply
    26,442.16x = 36,491.28 × 15,829.72
  4. Step 4: Simplify right side
    26,442.16x = 577,646,744.84
  5. Step 5: Solve for x
    x = 577,646,744.84/26,442.16
  6. Step 6: Final answer
    x = 21,845.67

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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.