Home / 28,859.29-43,210.73-14,979.13

Finding the Fourth Proportional to 28,859.29, 43,210.73 and 14,979.13

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Solution

The fourth proportional to 28,859.29, 43,210.73 and 14,979.13 is: 22,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.29 : 43,210.73 = 14,979.13 : x
  2. Step 2: Convert to fraction form
    28,859.29/43,210.73 = 14,979.13/x
  3. Step 3: Cross multiply
    28,859.29x = 43,210.73 × 14,979.13
  4. Step 4: Simplify right side
    28,859.29x = 647,259,071.49
  5. Step 5: Solve for x
    x = 647,259,071.49/28,859.29
  6. Step 6: Final answer
    x = 22,428.10

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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.