Home / 28,472.81-42,710.37-10,701.62

Finding the Fourth Proportional to 28,472.81, 42,710.37 and 10,701.62

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Solution

The fourth proportional to 28,472.81, 42,710.37 and 10,701.62 is: 16,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472.81 : 42,710.37 = 10,701.62 : x
  2. Step 2: Convert to fraction form
    28,472.81/42,710.37 = 10,701.62/x
  3. Step 3: Cross multiply
    28,472.81x = 42,710.37 × 10,701.62
  4. Step 4: Simplify right side
    28,472.81x = 457,069,882.74
  5. Step 5: Solve for x
    x = 457,069,882.74/28,472.81
  6. Step 6: Final answer
    x = 16,052.85

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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.