Home / 28,709.23-39,617.50-15,962.40

Finding the Fourth Proportional to 28,709.23, 39,617.50 and 15,962.40

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Solution

The fourth proportional to 28,709.23, 39,617.50 and 15,962.40 is: 22,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.23 : 39,617.50 = 15,962.40 : x
  2. Step 2: Convert to fraction form
    28,709.23/39,617.50 = 15,962.40/x
  3. Step 3: Cross multiply
    28,709.23x = 39,617.50 × 15,962.40
  4. Step 4: Simplify right side
    28,709.23x = 632,390,382
  5. Step 5: Solve for x
    x = 632,390,382/28,709.23
  6. Step 6: Final answer
    x = 22,027.42

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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.