Home / 26,935.24-37,047-21,618.40

Finding the Fourth Proportional to 26,935.24, 37,047 and 21,618.40

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Solution

The fourth proportional to 26,935.24, 37,047 and 21,618.40 is: 29,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,935.24 : 37,047 = 21,618.40 : x
  2. Step 2: Convert to fraction form
    26,935.24/37,047 = 21,618.40/x
  3. Step 3: Cross multiply
    26,935.24x = 37,047 × 21,618.40
  4. Step 4: Simplify right side
    26,935.24x = 800,896,864.80
  5. Step 5: Solve for x
    x = 800,896,864.80/26,935.24
  6. Step 6: Final answer
    x = 29,734.16

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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.