Home / 29,296.23-40,428.96-15,867.51

Finding the Fourth Proportional to 29,296.23, 40,428.96 and 15,867.51

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Solution

The fourth proportional to 29,296.23, 40,428.96 and 15,867.51 is: 21,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.23 : 40,428.96 = 15,867.51 : x
  2. Step 2: Convert to fraction form
    29,296.23/40,428.96 = 15,867.51/x
  3. Step 3: Cross multiply
    29,296.23x = 40,428.96 × 15,867.51
  4. Step 4: Simplify right side
    29,296.23x = 641,506,927.09
  5. Step 5: Solve for x
    x = 641,506,927.09/29,296.23
  6. Step 6: Final answer
    x = 21,897.25

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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.