Home / 28,433.61-39,225.69-16,490.03

Finding the Fourth Proportional to 28,433.61, 39,225.69 and 16,490.03

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Solution

The fourth proportional to 28,433.61, 39,225.69 and 16,490.03 is: 22,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,433.61 : 39,225.69 = 16,490.03 : x
  2. Step 2: Convert to fraction form
    28,433.61/39,225.69 = 16,490.03/x
  3. Step 3: Cross multiply
    28,433.61x = 39,225.69 × 16,490.03
  4. Step 4: Simplify right side
    28,433.61x = 646,832,804.87
  5. Step 5: Solve for x
    x = 646,832,804.87/28,433.61
  6. Step 6: Final answer
    x = 22,748.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.