Home / 28,533.12-39,377.52-15,958.80

Finding the Fourth Proportional to 28,533.12, 39,377.52 and 15,958.80

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Solution

The fourth proportional to 28,533.12, 39,377.52 and 15,958.80 is: 22,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.12 : 39,377.52 = 15,958.80 : x
  2. Step 2: Convert to fraction form
    28,533.12/39,377.52 = 15,958.80/x
  3. Step 3: Cross multiply
    28,533.12x = 39,377.52 × 15,958.80
  4. Step 4: Simplify right side
    28,533.12x = 628,417,966.18
  5. Step 5: Solve for x
    x = 628,417,966.18/28,533.12
  6. Step 6: Final answer
    x = 22,024.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.