Home / 22,880.04-31,569.60-13,445.16

Finding the Fourth Proportional to 22,880.04, 31,569.60 and 13,445.16

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Solution

The fourth proportional to 22,880.04, 31,569.60 and 13,445.16 is: 18,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,880.04 : 31,569.60 = 13,445.16 : x
  2. Step 2: Convert to fraction form
    22,880.04/31,569.60 = 13,445.16/x
  3. Step 3: Cross multiply
    22,880.04x = 31,569.60 × 13,445.16
  4. Step 4: Simplify right side
    22,880.04x = 424,458,323.14
  5. Step 5: Solve for x
    x = 424,458,323.14/22,880.04
  6. Step 6: Final answer
    x = 18,551.47

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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.