Home / 28,547.45-39,395.57-15,801.52

Finding the Fourth Proportional to 28,547.45, 39,395.57 and 15,801.52

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Solution

The fourth proportional to 28,547.45, 39,395.57 and 15,801.52 is: 21,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547.45 : 39,395.57 = 15,801.52 : x
  2. Step 2: Convert to fraction form
    28,547.45/39,395.57 = 15,801.52/x
  3. Step 3: Cross multiply
    28,547.45x = 39,395.57 × 15,801.52
  4. Step 4: Simplify right side
    28,547.45x = 622,509,887.27
  5. Step 5: Solve for x
    x = 622,509,887.27/28,547.45
  6. Step 6: Final answer
    x = 21,806.15

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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.