Home / 28,365.16-42,542.24-10,830.82

Finding the Fourth Proportional to 28,365.16, 42,542.24 and 10,830.82

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Solution

The fourth proportional to 28,365.16, 42,542.24 and 10,830.82 is: 16,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.16 : 42,542.24 = 10,830.82 : x
  2. Step 2: Convert to fraction form
    28,365.16/42,542.24 = 10,830.82/x
  3. Step 3: Cross multiply
    28,365.16x = 42,542.24 × 10,830.82
  4. Step 4: Simplify right side
    28,365.16x = 460,767,343.84
  5. Step 5: Solve for x
    x = 460,767,343.84/28,365.16
  6. Step 6: Final answer
    x = 16,244.13

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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.