Home / 26,547.38-36,637.08-15,789.32

Finding the Fourth Proportional to 26,547.38, 36,637.08 and 15,789.32

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Solution

The fourth proportional to 26,547.38, 36,637.08 and 15,789.32 is: 21,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,547.38 : 36,637.08 = 15,789.32 : x
  2. Step 2: Convert to fraction form
    26,547.38/36,637.08 = 15,789.32/x
  3. Step 3: Cross multiply
    26,547.38x = 36,637.08 × 15,789.32
  4. Step 4: Simplify right side
    26,547.38x = 578,474,579.99
  5. Step 5: Solve for x
    x = 578,474,579.99/26,547.38
  6. Step 6: Final answer
    x = 21,790.27

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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.