Home / 25,828.40-35,632.90-15,756.05

Finding the Fourth Proportional to 25,828.40, 35,632.90 and 15,756.05

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Solution

The fourth proportional to 25,828.40, 35,632.90 and 15,756.05 is: 21,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,828.40 : 35,632.90 = 15,756.05 : x
  2. Step 2: Convert to fraction form
    25,828.40/35,632.90 = 15,756.05/x
  3. Step 3: Cross multiply
    25,828.40x = 35,632.90 × 15,756.05
  4. Step 4: Simplify right side
    25,828.40x = 561,433,754.05
  5. Step 5: Solve for x
    x = 561,433,754.05/25,828.40
  6. Step 6: Final answer
    x = 21,737.07

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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.