Home / 28,235.23-42,343.49-9,510.62

Finding the Fourth Proportional to 28,235.23, 42,343.49 and 9,510.62

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Solution

The fourth proportional to 28,235.23, 42,343.49 and 9,510.62 is: 14,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,235.23 : 42,343.49 = 9,510.62 : x
  2. Step 2: Convert to fraction form
    28,235.23/42,343.49 = 9,510.62/x
  3. Step 3: Cross multiply
    28,235.23x = 42,343.49 × 9,510.62
  4. Step 4: Simplify right side
    28,235.23x = 402,712,654.92
  5. Step 5: Solve for x
    x = 402,712,654.92/28,235.23
  6. Step 6: Final answer
    x = 14,262.77

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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.