Home / 28,574.42-39,429.23-16,635.83

Finding the Fourth Proportional to 28,574.42, 39,429.23 and 16,635.83

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Solution

The fourth proportional to 28,574.42, 39,429.23 and 16,635.83 is: 22,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574.42 : 39,429.23 = 16,635.83 : x
  2. Step 2: Convert to fraction form
    28,574.42/39,429.23 = 16,635.83/x
  3. Step 3: Cross multiply
    28,574.42x = 39,429.23 × 16,635.83
  4. Step 4: Simplify right side
    28,574.42x = 655,937,686.99
  5. Step 5: Solve for x
    x = 655,937,686.99/28,574.42
  6. Step 6: Final answer
    x = 22,955.42

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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.