Home / 28,710.24-39,615.33-15,963.06

Finding the Fourth Proportional to 28,710.24, 39,615.33 and 15,963.06

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Solution

The fourth proportional to 28,710.24, 39,615.33 and 15,963.06 is: 22,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710.24 : 39,615.33 = 15,963.06 : x
  2. Step 2: Convert to fraction form
    28,710.24/39,615.33 = 15,963.06/x
  3. Step 3: Cross multiply
    28,710.24x = 39,615.33 × 15,963.06
  4. Step 4: Simplify right side
    28,710.24x = 632,381,889.71
  5. Step 5: Solve for x
    x = 632,381,889.71/28,710.24
  6. Step 6: Final answer
    x = 22,026.35

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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.