Home / 28,897.50-43,349.80-11,124.08

Finding the Fourth Proportional to 28,897.50, 43,349.80 and 11,124.08

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Solution

The fourth proportional to 28,897.50, 43,349.80 and 11,124.08 is: 16,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.50 : 43,349.80 = 11,124.08 : x
  2. Step 2: Convert to fraction form
    28,897.50/43,349.80 = 11,124.08/x
  3. Step 3: Cross multiply
    28,897.50x = 43,349.80 × 11,124.08
  4. Step 4: Simplify right side
    28,897.50x = 482,226,643.18
  5. Step 5: Solve for x
    x = 482,226,643.18/28,897.50
  6. Step 6: Final answer
    x = 16,687.49

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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.