Home / 26,547.29-39,786.30-13,392.48

Finding the Fourth Proportional to 26,547.29, 39,786.30 and 13,392.48

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Solution

The fourth proportional to 26,547.29, 39,786.30 and 13,392.48 is: 20,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,547.29 : 39,786.30 = 13,392.48 : x
  2. Step 2: Convert to fraction form
    26,547.29/39,786.30 = 13,392.48/x
  3. Step 3: Cross multiply
    26,547.29x = 39,786.30 × 13,392.48
  4. Step 4: Simplify right side
    26,547.29x = 532,837,227.02
  5. Step 5: Solve for x
    x = 532,837,227.02/26,547.29
  6. Step 6: Final answer
    x = 20,071.25

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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.