Home / 25,547.20-38,320.80-15,524.80

Finding the Fourth Proportional to 25,547.20, 38,320.80 and 15,524.80

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Solution

The fourth proportional to 25,547.20, 38,320.80 and 15,524.80 is: 23,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,547.20 : 38,320.80 = 15,524.80 : x
  2. Step 2: Convert to fraction form
    25,547.20/38,320.80 = 15,524.80/x
  3. Step 3: Cross multiply
    25,547.20x = 38,320.80 × 15,524.80
  4. Step 4: Simplify right side
    25,547.20x = 594,922,755.84
  5. Step 5: Solve for x
    x = 594,922,755.84/25,547.20
  6. Step 6: Final answer
    x = 23,287.20

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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.