Home / 28,887.94-43,335.55-9,916.27

Finding the Fourth Proportional to 28,887.94, 43,335.55 and 9,916.27

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Solution

The fourth proportional to 28,887.94, 43,335.55 and 9,916.27 is: 14,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.94 : 43,335.55 = 9,916.27 : x
  2. Step 2: Convert to fraction form
    28,887.94/43,335.55 = 9,916.27/x
  3. Step 3: Cross multiply
    28,887.94x = 43,335.55 × 9,916.27
  4. Step 4: Simplify right side
    28,887.94x = 429,726,999.71
  5. Step 5: Solve for x
    x = 429,726,999.71/28,887.94
  6. Step 6: Final answer
    x = 14,875.66

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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.