Home / 17,521.16-26,275.29-13,780.26

Finding the Fourth Proportional to 17,521.16, 26,275.29 and 13,780.26

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Solution

The fourth proportional to 17,521.16, 26,275.29 and 13,780.26 is: 20,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,521.16 : 26,275.29 = 13,780.26 : x
  2. Step 2: Convert to fraction form
    17,521.16/26,275.29 = 13,780.26/x
  3. Step 3: Cross multiply
    17,521.16x = 26,275.29 × 13,780.26
  4. Step 4: Simplify right side
    17,521.16x = 362,080,327.78
  5. Step 5: Solve for x
    x = 362,080,327.78/17,521.16
  6. Step 6: Final answer
    x = 20,665.31

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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.