Home / 28,911.52-43,332.76-14,878.28

Finding the Fourth Proportional to 28,911.52, 43,332.76 and 14,878.28

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Solution

The fourth proportional to 28,911.52, 43,332.76 and 14,878.28 is: 22,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911.52 : 43,332.76 = 14,878.28 : x
  2. Step 2: Convert to fraction form
    28,911.52/43,332.76 = 14,878.28/x
  3. Step 3: Cross multiply
    28,911.52x = 43,332.76 × 14,878.28
  4. Step 4: Simplify right side
    28,911.52x = 644,716,936.45
  5. Step 5: Solve for x
    x = 644,716,936.45/28,911.52
  6. Step 6: Final answer
    x = 22,299.66

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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.