Home / 26,178.98-36,126.69-14,242.05

Finding the Fourth Proportional to 26,178.98, 36,126.69 and 14,242.05

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Solution

The fourth proportional to 26,178.98, 36,126.69 and 14,242.05 is: 19,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178.98 : 36,126.69 = 14,242.05 : x
  2. Step 2: Convert to fraction form
    26,178.98/36,126.69 = 14,242.05/x
  3. Step 3: Cross multiply
    26,178.98x = 36,126.69 × 14,242.05
  4. Step 4: Simplify right side
    26,178.98x = 514,518,125.31
  5. Step 5: Solve for x
    x = 514,518,125.31/26,178.98
  6. Step 6: Final answer
    x = 19,653.87

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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.