Home / 28,666.18-39,557.16-16,088.50

Finding the Fourth Proportional to 28,666.18, 39,557.16 and 16,088.50

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Solution

The fourth proportional to 28,666.18, 39,557.16 and 16,088.50 is: 22,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666.18 : 39,557.16 = 16,088.50 : x
  2. Step 2: Convert to fraction form
    28,666.18/39,557.16 = 16,088.50/x
  3. Step 3: Cross multiply
    28,666.18x = 39,557.16 × 16,088.50
  4. Step 4: Simplify right side
    28,666.18x = 636,415,368.66
  5. Step 5: Solve for x
    x = 636,415,368.66/28,666.18
  6. Step 6: Final answer
    x = 22,200.91

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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.