Home / 28,622.04-39,494.65-15,875.07

Finding the Fourth Proportional to 28,622.04, 39,494.65 and 15,875.07

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Solution

The fourth proportional to 28,622.04, 39,494.65 and 15,875.07 is: 21,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.04 : 39,494.65 = 15,875.07 : x
  2. Step 2: Convert to fraction form
    28,622.04/39,494.65 = 15,875.07/x
  3. Step 3: Cross multiply
    28,622.04x = 39,494.65 × 15,875.07
  4. Step 4: Simplify right side
    28,622.04x = 626,980,333.38
  5. Step 5: Solve for x
    x = 626,980,333.38/28,622.04
  6. Step 6: Final answer
    x = 21,905.51

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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.