Home / 28,768.40-39,700.96-17,437.52

Finding the Fourth Proportional to 28,768.40, 39,700.96 and 17,437.52

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Solution

The fourth proportional to 28,768.40, 39,700.96 and 17,437.52 is: 24,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.40 : 39,700.96 = 17,437.52 : x
  2. Step 2: Convert to fraction form
    28,768.40/39,700.96 = 17,437.52/x
  3. Step 3: Cross multiply
    28,768.40x = 39,700.96 × 17,437.52
  4. Step 4: Simplify right side
    28,768.40x = 692,286,284.02
  5. Step 5: Solve for x
    x = 692,286,284.02/28,768.40
  6. Step 6: Final answer
    x = 24,064.12

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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.