Home / 26,143.40-36,077.81-14,206.79

Finding the Fourth Proportional to 26,143.40, 36,077.81 and 14,206.79

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Solution

The fourth proportional to 26,143.40, 36,077.81 and 14,206.79 is: 19,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.40 : 36,077.81 = 14,206.79 : x
  2. Step 2: Convert to fraction form
    26,143.40/36,077.81 = 14,206.79/x
  3. Step 3: Cross multiply
    26,143.40x = 36,077.81 × 14,206.79
  4. Step 4: Simplify right side
    26,143.40x = 512,549,889.49
  5. Step 5: Solve for x
    x = 512,549,889.49/26,143.40
  6. Step 6: Final answer
    x = 19,605.32

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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.