Home / 28,038.67-42,045.70-10,496.20

Finding the Fourth Proportional to 28,038.67, 42,045.70 and 10,496.20

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Solution

The fourth proportional to 28,038.67, 42,045.70 and 10,496.20 is: 15,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,038.67 : 42,045.70 = 10,496.20 : x
  2. Step 2: Convert to fraction form
    28,038.67/42,045.70 = 10,496.20/x
  3. Step 3: Cross multiply
    28,038.67x = 42,045.70 × 10,496.20
  4. Step 4: Simplify right side
    28,038.67x = 441,319,813.63
  5. Step 5: Solve for x
    x = 441,319,813.63/28,038.67
  6. Step 6: Final answer
    x = 15,739.68

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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.