Home / 26,864.12-40,278.90-17,619.32

Finding the Fourth Proportional to 26,864.12, 40,278.90 and 17,619.32

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Solution

The fourth proportional to 26,864.12, 40,278.90 and 17,619.32 is: 26,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,864.12 : 40,278.90 = 17,619.32 : x
  2. Step 2: Convert to fraction form
    26,864.12/40,278.90 = 17,619.32/x
  3. Step 3: Cross multiply
    26,864.12x = 40,278.90 × 17,619.32
  4. Step 4: Simplify right side
    26,864.12x = 709,686,828.35
  5. Step 5: Solve for x
    x = 709,686,828.35/26,864.12
  6. Step 6: Final answer
    x = 26,417.65

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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.