Home / 28,296.63-39,050.06-15,549.72

Finding the Fourth Proportional to 28,296.63, 39,050.06 and 15,549.72

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Solution

The fourth proportional to 28,296.63, 39,050.06 and 15,549.72 is: 21,459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.63 : 39,050.06 = 15,549.72 : x
  2. Step 2: Convert to fraction form
    28,296.63/39,050.06 = 15,549.72/x
  3. Step 3: Cross multiply
    28,296.63x = 39,050.06 × 15,549.72
  4. Step 4: Simplify right side
    28,296.63x = 607,217,421.23
  5. Step 5: Solve for x
    x = 607,217,421.23/28,296.63
  6. Step 6: Final answer
    x = 21,459.00

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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.