Home / 26,287.78-36,275.76-14,348.81

Finding the Fourth Proportional to 26,287.78, 36,275.76 and 14,348.81

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Solution

The fourth proportional to 26,287.78, 36,275.76 and 14,348.81 is: 19,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.78 : 36,275.76 = 14,348.81 : x
  2. Step 2: Convert to fraction form
    26,287.78/36,275.76 = 14,348.81/x
  3. Step 3: Cross multiply
    26,287.78x = 36,275.76 × 14,348.81
  4. Step 4: Simplify right side
    26,287.78x = 520,513,945.67
  5. Step 5: Solve for x
    x = 520,513,945.67/26,287.78
  6. Step 6: Final answer
    x = 19,800.61

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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.