Home / 26,340.57-36,348.12-15,009.71

Finding the Fourth Proportional to 26,340.57, 36,348.12 and 15,009.71

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Solution

The fourth proportional to 26,340.57, 36,348.12 and 15,009.71 is: 20,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,340.57 : 36,348.12 = 15,009.71 : x
  2. Step 2: Convert to fraction form
    26,340.57/36,348.12 = 15,009.71/x
  3. Step 3: Cross multiply
    26,340.57x = 36,348.12 × 15,009.71
  4. Step 4: Simplify right side
    26,340.57x = 545,574,558.50
  5. Step 5: Solve for x
    x = 545,574,558.50/26,340.57
  6. Step 6: Final answer
    x = 20,712.33

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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.