Home / 15,925.80-23,888.70-4,240.20

Finding the Fourth Proportional to 15,925.80, 23,888.70 and 4,240.20

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Solution

The fourth proportional to 15,925.80, 23,888.70 and 4,240.20 is: 6,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925.80 : 23,888.70 = 4,240.20 : x
  2. Step 2: Convert to fraction form
    15,925.80/23,888.70 = 4,240.20/x
  3. Step 3: Cross multiply
    15,925.80x = 23,888.70 × 4,240.20
  4. Step 4: Simplify right side
    15,925.80x = 101,292,865.74
  5. Step 5: Solve for x
    x = 101,292,865.74/15,925.80
  6. Step 6: Final answer
    x = 6,360.30

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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.