Home / 22,931.02-31,631.36-14,419.64

Finding the Fourth Proportional to 22,931.02, 31,631.36 and 14,419.64

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Solution

The fourth proportional to 22,931.02, 31,631.36 and 14,419.64 is: 19,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.02 : 31,631.36 = 14,419.64 : x
  2. Step 2: Convert to fraction form
    22,931.02/31,631.36 = 14,419.64/x
  3. Step 3: Cross multiply
    22,931.02x = 31,631.36 × 14,419.64
  4. Step 4: Simplify right side
    22,931.02x = 456,112,823.91
  5. Step 5: Solve for x
    x = 456,112,823.91/22,931.02
  6. Step 6: Final answer
    x = 19,890.65

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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.