Home / 26,767.47-40,139.55-14,284.71

Finding the Fourth Proportional to 26,767.47, 40,139.55 and 14,284.71

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Solution

The fourth proportional to 26,767.47, 40,139.55 and 14,284.71 is: 21,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,767.47 : 40,139.55 = 14,284.71 : x
  2. Step 2: Convert to fraction form
    26,767.47/40,139.55 = 14,284.71/x
  3. Step 3: Cross multiply
    26,767.47x = 40,139.55 × 14,284.71
  4. Step 4: Simplify right side
    26,767.47x = 573,381,831.28
  5. Step 5: Solve for x
    x = 573,381,831.28/26,767.47
  6. Step 6: Final answer
    x = 21,420.85

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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.