Home / 28,456.24-42,478.98-27,178.16

Finding the Fourth Proportional to 28,456.24, 42,478.98 and 27,178.16

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Solution

The fourth proportional to 28,456.24, 42,478.98 and 27,178.16 is: 40,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,456.24 : 42,478.98 = 27,178.16 : x
  2. Step 2: Convert to fraction form
    28,456.24/42,478.98 = 27,178.16/x
  3. Step 3: Cross multiply
    28,456.24x = 42,478.98 × 27,178.16
  4. Step 4: Simplify right side
    28,456.24x = 1,154,500,515.08
  5. Step 5: Solve for x
    x = 1,154,500,515.08/28,456.24
  6. Step 6: Final answer
    x = 40,571.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.