Home / 28,659.04-42,988.50-16,173.40

Finding the Fourth Proportional to 28,659.04, 42,988.50 and 16,173.40

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Solution

The fourth proportional to 28,659.04, 42,988.50 and 16,173.40 is: 24,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.04 : 42,988.50 = 16,173.40 : x
  2. Step 2: Convert to fraction form
    28,659.04/42,988.50 = 16,173.40/x
  3. Step 3: Cross multiply
    28,659.04x = 42,988.50 × 16,173.40
  4. Step 4: Simplify right side
    28,659.04x = 695,270,205.90
  5. Step 5: Solve for x
    x = 695,270,205.90/28,659.04
  6. Step 6: Final answer
    x = 24,260.07

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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.