Home / 26,551.89-36,637.32-15,219.30

Finding the Fourth Proportional to 26,551.89, 36,637.32 and 15,219.30

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Solution

The fourth proportional to 26,551.89, 36,637.32 and 15,219.30 is: 21,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,551.89 : 36,637.32 = 15,219.30 : x
  2. Step 2: Convert to fraction form
    26,551.89/36,637.32 = 15,219.30/x
  3. Step 3: Cross multiply
    26,551.89x = 36,637.32 × 15,219.30
  4. Step 4: Simplify right side
    26,551.89x = 557,594,303.51
  5. Step 5: Solve for x
    x = 557,594,303.51/26,551.89
  6. Step 6: Final answer
    x = 21,000.17

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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.