Home / 28,750.36-43,125.72-10,030.30

Finding the Fourth Proportional to 28,750.36, 43,125.72 and 10,030.30

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Solution

The fourth proportional to 28,750.36, 43,125.72 and 10,030.30 is: 15,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.36 : 43,125.72 = 10,030.30 : x
  2. Step 2: Convert to fraction form
    28,750.36/43,125.72 = 10,030.30/x
  3. Step 3: Cross multiply
    28,750.36x = 43,125.72 × 10,030.30
  4. Step 4: Simplify right side
    28,750.36x = 432,563,909.32
  5. Step 5: Solve for x
    x = 432,563,909.32/28,750.36
  6. Step 6: Final answer
    x = 15,045.51

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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.