Home / 28,938.66-43,411.17-9,210.30

Finding the Fourth Proportional to 28,938.66, 43,411.17 and 9,210.30

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Solution

The fourth proportional to 28,938.66, 43,411.17 and 9,210.30 is: 13,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.66 : 43,411.17 = 9,210.30 : x
  2. Step 2: Convert to fraction form
    28,938.66/43,411.17 = 9,210.30/x
  3. Step 3: Cross multiply
    28,938.66x = 43,411.17 × 9,210.30
  4. Step 4: Simplify right side
    28,938.66x = 399,829,899.05
  5. Step 5: Solve for x
    x = 399,829,899.05/28,938.66
  6. Step 6: Final answer
    x = 13,816.46

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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.