Home / 28,509.84-39,340.08-16,575.84

Finding the Fourth Proportional to 28,509.84, 39,340.08 and 16,575.84

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Solution

The fourth proportional to 28,509.84, 39,340.08 and 16,575.84 is: 22,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,509.84 : 39,340.08 = 16,575.84 : x
  2. Step 2: Convert to fraction form
    28,509.84/39,340.08 = 16,575.84/x
  3. Step 3: Cross multiply
    28,509.84x = 39,340.08 × 16,575.84
  4. Step 4: Simplify right side
    28,509.84x = 652,094,871.67
  5. Step 5: Solve for x
    x = 652,094,871.67/28,509.84
  6. Step 6: Final answer
    x = 22,872.62

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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.