Home / 28,122.60-38,827.08-17,527.80

Finding the Fourth Proportional to 28,122.60, 38,827.08 and 17,527.80

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Solution

The fourth proportional to 28,122.60, 38,827.08 and 17,527.80 is: 24,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122.60 : 38,827.08 = 17,527.80 : x
  2. Step 2: Convert to fraction form
    28,122.60/38,827.08 = 17,527.80/x
  3. Step 3: Cross multiply
    28,122.60x = 38,827.08 × 17,527.80
  4. Step 4: Simplify right side
    28,122.60x = 680,553,292.82
  5. Step 5: Solve for x
    x = 680,553,292.82/28,122.60
  6. Step 6: Final answer
    x = 24,199.52

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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.