Home / 23,068.76-31,851.95-14,128.45

Finding the Fourth Proportional to 23,068.76, 31,851.95 and 14,128.45

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Solution

The fourth proportional to 23,068.76, 31,851.95 and 14,128.45 is: 19,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,068.76 : 31,851.95 = 14,128.45 : x
  2. Step 2: Convert to fraction form
    23,068.76/31,851.95 = 14,128.45/x
  3. Step 3: Cross multiply
    23,068.76x = 31,851.95 × 14,128.45
  4. Step 4: Simplify right side
    23,068.76x = 450,018,532.71
  5. Step 5: Solve for x
    x = 450,018,532.71/23,068.76
  6. Step 6: Final answer
    x = 19,507.71

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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.