Home / 28,039.08-42,052.68-10,510.20

Finding the Fourth Proportional to 28,039.08, 42,052.68 and 10,510.20

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Solution

The fourth proportional to 28,039.08, 42,052.68 and 10,510.20 is: 15,763.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039.08 : 42,052.68 = 10,510.20 : x
  2. Step 2: Convert to fraction form
    28,039.08/42,052.68 = 10,510.20/x
  3. Step 3: Cross multiply
    28,039.08x = 42,052.68 × 10,510.20
  4. Step 4: Simplify right side
    28,039.08x = 441,982,077.34
  5. Step 5: Solve for x
    x = 441,982,077.34/28,039.08
  6. Step 6: Final answer
    x = 15,763.07

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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.