Home / 17,637.64-26,320.13-15,674.20

Finding the Fourth Proportional to 17,637.64, 26,320.13 and 15,674.20

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Solution

The fourth proportional to 17,637.64, 26,320.13 and 15,674.20 is: 23,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,637.64 : 26,320.13 = 15,674.20 : x
  2. Step 2: Convert to fraction form
    17,637.64/26,320.13 = 15,674.20/x
  3. Step 3: Cross multiply
    17,637.64x = 26,320.13 × 15,674.20
  4. Step 4: Simplify right side
    17,637.64x = 412,546,981.65
  5. Step 5: Solve for x
    x = 412,546,981.65/17,637.64
  6. Step 6: Final answer
    x = 23,390.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.