Home / 28,004.85-38,633.09-17,925.21

Finding the Fourth Proportional to 28,004.85, 38,633.09 and 17,925.21

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Solution

The fourth proportional to 28,004.85, 38,633.09 and 17,925.21 is: 24,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.85 : 38,633.09 = 17,925.21 : x
  2. Step 2: Convert to fraction form
    28,004.85/38,633.09 = 17,925.21/x
  3. Step 3: Cross multiply
    28,004.85x = 38,633.09 × 17,925.21
  4. Step 4: Simplify right side
    28,004.85x = 692,506,161.57
  5. Step 5: Solve for x
    x = 692,506,161.57/28,004.85
  6. Step 6: Final answer
    x = 24,728.08

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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.