Home / 28,362.56-39,140.01-15,614.24

Finding the Fourth Proportional to 28,362.56, 39,140.01 and 15,614.24

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Solution

The fourth proportional to 28,362.56, 39,140.01 and 15,614.24 is: 21,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.56 : 39,140.01 = 15,614.24 : x
  2. Step 2: Convert to fraction form
    28,362.56/39,140.01 = 15,614.24/x
  3. Step 3: Cross multiply
    28,362.56x = 39,140.01 × 15,614.24
  4. Step 4: Simplify right side
    28,362.56x = 611,141,314.04
  5. Step 5: Solve for x
    x = 611,141,314.04/28,362.56
  6. Step 6: Final answer
    x = 21,547.47

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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.