Home / 28,658.16-39,551.76-18,047.57

Finding the Fourth Proportional to 28,658.16, 39,551.76 and 18,047.57

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Solution

The fourth proportional to 28,658.16, 39,551.76 and 18,047.57 is: 24,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658.16 : 39,551.76 = 18,047.57 : x
  2. Step 2: Convert to fraction form
    28,658.16/39,551.76 = 18,047.57/x
  3. Step 3: Cross multiply
    28,658.16x = 39,551.76 × 18,047.57
  4. Step 4: Simplify right side
    28,658.16x = 713,812,959.46
  5. Step 5: Solve for x
    x = 713,812,959.46/28,658.16
  6. Step 6: Final answer
    x = 24,907.84

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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.