Home / 28,533.46-42,810.30-12,737.04

Finding the Fourth Proportional to 28,533.46, 42,810.30 and 12,737.04

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Solution

The fourth proportional to 28,533.46, 42,810.30 and 12,737.04 is: 19,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.46 : 42,810.30 = 12,737.04 : x
  2. Step 2: Convert to fraction form
    28,533.46/42,810.30 = 12,737.04/x
  3. Step 3: Cross multiply
    28,533.46x = 42,810.30 × 12,737.04
  4. Step 4: Simplify right side
    28,533.46x = 545,276,503.51
  5. Step 5: Solve for x
    x = 545,276,503.51/28,533.46
  6. Step 6: Final answer
    x = 19,110.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.