Home / 28,320.48-42,448.68-14,258.16

Finding the Fourth Proportional to 28,320.48, 42,448.68 and 14,258.16

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Solution

The fourth proportional to 28,320.48, 42,448.68 and 14,258.16 is: 21,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320.48 : 42,448.68 = 14,258.16 : x
  2. Step 2: Convert to fraction form
    28,320.48/42,448.68 = 14,258.16/x
  3. Step 3: Cross multiply
    28,320.48x = 42,448.68 × 14,258.16
  4. Step 4: Simplify right side
    28,320.48x = 605,240,071.23
  5. Step 5: Solve for x
    x = 605,240,071.23/28,320.48
  6. Step 6: Final answer
    x = 21,371.11

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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.