Home / 28,656.16-39,547.29-16,557.16

Finding the Fourth Proportional to 28,656.16, 39,547.29 and 16,557.16

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Solution

The fourth proportional to 28,656.16, 39,547.29 and 16,557.16 is: 22,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.16 : 39,547.29 = 16,557.16 : x
  2. Step 2: Convert to fraction form
    28,656.16/39,547.29 = 16,557.16/x
  3. Step 3: Cross multiply
    28,656.16x = 39,547.29 × 16,557.16
  4. Step 4: Simplify right side
    28,656.16x = 654,790,808.10
  5. Step 5: Solve for x
    x = 654,790,808.10/28,656.16
  6. Step 6: Final answer
    x = 22,849.91

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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.