Home / 28,045.36-42,058.93-9,320.36

Finding the Fourth Proportional to 28,045.36, 42,058.93 and 9,320.36

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Solution

The fourth proportional to 28,045.36, 42,058.93 and 9,320.36 is: 13,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.36 : 42,058.93 = 9,320.36 : x
  2. Step 2: Convert to fraction form
    28,045.36/42,058.93 = 9,320.36/x
  3. Step 3: Cross multiply
    28,045.36x = 42,058.93 × 9,320.36
  4. Step 4: Simplify right side
    28,045.36x = 392,004,322.21
  5. Step 5: Solve for x
    x = 392,004,322.21/28,045.36
  6. Step 6: Final answer
    x = 13,977.51

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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.