Home / 28,159.65-42,240.29-10,625.58

Finding the Fourth Proportional to 28,159.65, 42,240.29 and 10,625.58

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Solution

The fourth proportional to 28,159.65, 42,240.29 and 10,625.58 is: 15,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159.65 : 42,240.29 = 10,625.58 : x
  2. Step 2: Convert to fraction form
    28,159.65/42,240.29 = 10,625.58/x
  3. Step 3: Cross multiply
    28,159.65x = 42,240.29 × 10,625.58
  4. Step 4: Simplify right side
    28,159.65x = 448,827,527.49
  5. Step 5: Solve for x
    x = 448,827,527.49/28,159.65
  6. Step 6: Final answer
    x = 15,938.68

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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.