Home / 28,357.64-42,533.21-7,582.76

Finding the Fourth Proportional to 28,357.64, 42,533.21 and 7,582.76

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Solution

The fourth proportional to 28,357.64, 42,533.21 and 7,582.76 is: 11,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.64 : 42,533.21 = 7,582.76 : x
  2. Step 2: Convert to fraction form
    28,357.64/42,533.21 = 7,582.76/x
  3. Step 3: Cross multiply
    28,357.64x = 42,533.21 × 7,582.76
  4. Step 4: Simplify right side
    28,357.64x = 322,519,123.46
  5. Step 5: Solve for x
    x = 322,519,123.46/28,357.64
  6. Step 6: Final answer
    x = 11,373.27

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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.