Home / 28,533.34-42,809.13-11,895.13

Finding the Fourth Proportional to 28,533.34, 42,809.13 and 11,895.13

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Solution

The fourth proportional to 28,533.34, 42,809.13 and 11,895.13 is: 17,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.34 : 42,809.13 = 11,895.13 : x
  2. Step 2: Convert to fraction form
    28,533.34/42,809.13 = 11,895.13/x
  3. Step 3: Cross multiply
    28,533.34x = 42,809.13 × 11,895.13
  4. Step 4: Simplify right side
    28,533.34x = 509,219,952.49
  5. Step 5: Solve for x
    x = 509,219,952.49/28,533.34
  6. Step 6: Final answer
    x = 17,846.49

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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.