Home / 38,075.40-57,133.76-15,890.71

Finding the Fourth Proportional to 38,075.40, 57,133.76 and 15,890.71

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Solution

The fourth proportional to 38,075.40, 57,133.76 and 15,890.71 is: 23,844.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,075.40 : 57,133.76 = 15,890.71 : x
  2. Step 2: Convert to fraction form
    38,075.40/57,133.76 = 15,890.71/x
  3. Step 3: Cross multiply
    38,075.40x = 57,133.76 × 15,890.71
  4. Step 4: Simplify right side
    38,075.40x = 907,896,011.37
  5. Step 5: Solve for x
    x = 907,896,011.37/38,075.40
  6. Step 6: Final answer
    x = 23,844.69

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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.