Home / 28,828.86-43,165.10-14,948.70

Finding the Fourth Proportional to 28,828.86, 43,165.10 and 14,948.70

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Solution

The fourth proportional to 28,828.86, 43,165.10 and 14,948.70 is: 22,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.86 : 43,165.10 = 14,948.70 : x
  2. Step 2: Convert to fraction form
    28,828.86/43,165.10 = 14,948.70/x
  3. Step 3: Cross multiply
    28,828.86x = 43,165.10 × 14,948.70
  4. Step 4: Simplify right side
    28,828.86x = 645,262,130.37
  5. Step 5: Solve for x
    x = 645,262,130.37/28,828.86
  6. Step 6: Final answer
    x = 22,382.51

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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.