Home / 28,547.88-42,821.82-18,225.24

Finding the Fourth Proportional to 28,547.88, 42,821.82 and 18,225.24

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Solution

The fourth proportional to 28,547.88, 42,821.82 and 18,225.24 is: 27,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547.88 : 42,821.82 = 18,225.24 : x
  2. Step 2: Convert to fraction form
    28,547.88/42,821.82 = 18,225.24/x
  3. Step 3: Cross multiply
    28,547.88x = 42,821.82 × 18,225.24
  4. Step 4: Simplify right side
    28,547.88x = 780,437,946.74
  5. Step 5: Solve for x
    x = 780,437,946.74/28,547.88
  6. Step 6: Final answer
    x = 27,337.86

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.