Home / 28,389.56-42,510.47-15,177.33

Finding the Fourth Proportional to 28,389.56, 42,510.47 and 15,177.33

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Solution

The fourth proportional to 28,389.56, 42,510.47 and 15,177.33 is: 22,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,389.56 : 42,510.47 = 15,177.33 : x
  2. Step 2: Convert to fraction form
    28,389.56/42,510.47 = 15,177.33/x
  3. Step 3: Cross multiply
    28,389.56x = 42,510.47 × 15,177.33
  4. Step 4: Simplify right side
    28,389.56x = 645,195,355.76
  5. Step 5: Solve for x
    x = 645,195,355.76/28,389.56
  6. Step 6: Final answer
    x = 22,726.50

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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.