Home / 28,487.04-42,723.54-12,901.56

Finding the Fourth Proportional to 28,487.04, 42,723.54 and 12,901.56

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Solution

The fourth proportional to 28,487.04, 42,723.54 and 12,901.56 is: 19,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,487.04 : 42,723.54 = 12,901.56 : x
  2. Step 2: Convert to fraction form
    28,487.04/42,723.54 = 12,901.56/x
  3. Step 3: Cross multiply
    28,487.04x = 42,723.54 × 12,901.56
  4. Step 4: Simplify right side
    28,487.04x = 551,200,314.72
  5. Step 5: Solve for x
    x = 551,200,314.72/28,487.04
  6. Step 6: Final answer
    x = 19,349.16

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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.