Home / 26,138.32-39,207.88-14,426.08

Finding the Fourth Proportional to 26,138.32, 39,207.88 and 14,426.08

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Solution

The fourth proportional to 26,138.32, 39,207.88 and 14,426.08 is: 21,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.32 : 39,207.88 = 14,426.08 : x
  2. Step 2: Convert to fraction form
    26,138.32/39,207.88 = 14,426.08/x
  3. Step 3: Cross multiply
    26,138.32x = 39,207.88 × 14,426.08
  4. Step 4: Simplify right side
    26,138.32x = 565,616,013.51
  5. Step 5: Solve for x
    x = 565,616,013.51/26,138.32
  6. Step 6: Final answer
    x = 21,639.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.