Home / 26,279.64-36,264.54-14,342.40

Finding the Fourth Proportional to 26,279.64, 36,264.54 and 14,342.40

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Solution

The fourth proportional to 26,279.64, 36,264.54 and 14,342.40 is: 19,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.64 : 36,264.54 = 14,342.40 : x
  2. Step 2: Convert to fraction form
    26,279.64/36,264.54 = 14,342.40/x
  3. Step 3: Cross multiply
    26,279.64x = 36,264.54 × 14,342.40
  4. Step 4: Simplify right side
    26,279.64x = 520,120,538.50
  5. Step 5: Solve for x
    x = 520,120,538.50/26,279.64
  6. Step 6: Final answer
    x = 19,791.77

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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.