Home / 28,962.32-39,969.32-22,663.76

Finding the Fourth Proportional to 28,962.32, 39,969.32 and 22,663.76

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Solution

The fourth proportional to 28,962.32, 39,969.32 and 22,663.76 is: 31,277.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962.32 : 39,969.32 = 22,663.76 : x
  2. Step 2: Convert to fraction form
    28,962.32/39,969.32 = 22,663.76/x
  3. Step 3: Cross multiply
    28,962.32x = 39,969.32 × 22,663.76
  4. Step 4: Simplify right side
    28,962.32x = 905,855,075.84
  5. Step 5: Solve for x
    x = 905,855,075.84/28,962.32
  6. Step 6: Final answer
    x = 31,277.02

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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.