Home / 26,655.29-36,786.47-15,328.45

Finding the Fourth Proportional to 26,655.29, 36,786.47 and 15,328.45

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Solution

The fourth proportional to 26,655.29, 36,786.47 and 15,328.45 is: 21,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.29 : 36,786.47 = 15,328.45 : x
  2. Step 2: Convert to fraction form
    26,655.29/36,786.47 = 15,328.45/x
  3. Step 3: Cross multiply
    26,655.29x = 36,786.47 × 15,328.45
  4. Step 4: Simplify right side
    26,655.29x = 563,879,566.07
  5. Step 5: Solve for x
    x = 563,879,566.07/26,655.29
  6. Step 6: Final answer
    x = 21,154.51

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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.