Home / 26,078.72-35,988.65-14,142.06

Finding the Fourth Proportional to 26,078.72, 35,988.65 and 14,142.06

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Solution

The fourth proportional to 26,078.72, 35,988.65 and 14,142.06 is: 19,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.72 : 35,988.65 = 14,142.06 : x
  2. Step 2: Convert to fraction form
    26,078.72/35,988.65 = 14,142.06/x
  3. Step 3: Cross multiply
    26,078.72x = 35,988.65 × 14,142.06
  4. Step 4: Simplify right side
    26,078.72x = 508,953,682.97
  5. Step 5: Solve for x
    x = 508,953,682.97/26,078.72
  6. Step 6: Final answer
    x = 19,516.05

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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.