Home / 26,306-36,303.36-15,128

Finding the Fourth Proportional to 26,306, 36,303.36 and 15,128

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Solution

The fourth proportional to 26,306, 36,303.36 and 15,128 is: 20,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,306 : 36,303.36 = 15,128 : x
  2. Step 2: Convert to fraction form
    26,306/36,303.36 = 15,128/x
  3. Step 3: Cross multiply
    26,306x = 36,303.36 × 15,128
  4. Step 4: Simplify right side
    26,306x = 549,197,230.08
  5. Step 5: Solve for x
    x = 549,197,230.08/26,306
  6. Step 6: Final answer
    x = 20,877.26

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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.