Home / 28,641.72-39,510.30-16,700.70

Finding the Fourth Proportional to 28,641.72, 39,510.30 and 16,700.70

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Solution

The fourth proportional to 28,641.72, 39,510.30 and 16,700.70 is: 23,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641.72 : 39,510.30 = 16,700.70 : x
  2. Step 2: Convert to fraction form
    28,641.72/39,510.30 = 16,700.70/x
  3. Step 3: Cross multiply
    28,641.72x = 39,510.30 × 16,700.70
  4. Step 4: Simplify right side
    28,641.72x = 659,849,667.21
  5. Step 5: Solve for x
    x = 659,849,667.21/28,641.72
  6. Step 6: Final answer
    x = 23,038.06

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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.